List of Errors (OAS)

This article lists the animation and sound errors in the Horrid Henry TV series.
Episodes had a lot of animation errors in Series 1, and despite some in recent series, the number has reduced overall.
== Gallery ==
=== Series 1 ===
Mum clothes error.gif|When Dad starts deducting Henry's pocket money by 5p each step, Mum's clothes are the same colours as Dad's. Series 1 episode 1.
Brown wellies.png|When Dad warns about the wasps' nest, Peter's wellies are brown. This happens again when Mum sees Peter next to the wasps' nest. Series 1, episode 1.
Mum in normal clothes series 1 episode 8.png|When they got home feeling sick, Mum was wearing her pyjamas, but when Henry said 'Yes, Mum.', Mum is wearing her normal clothes. Series 1, episode 1.
Peter with shoes on.png|When the bull stops and looks at the family, Peter has his shoes on. Series 1 episode 1.
Missing wellies.png|After Peter's wellies land on the bull's horns, the wellies didn't appear when the bull headbutts the fence, and they reappear when he appears to have broken the fence down. Series 1, episode 1.
Error on Peter's hand.png|When Mum and Peter got wet at the lake, Peter's hand changed red for second. Series 1, episode 1.
Missing wellies again.png|When Henry is about to watch a new Rapper Zapper episode, Peter's wellies are gone. Series 1, episode 1.
Vanishing purse.jpeg|When Margaret says, 'Show me to my room', her purse had disappeared. Series 1 episode 2.
Peters eyes are open.png|When Henry got an idea and is planning about the next day, Peter's eyes are open. Series 1 episode 2.
Error on all of Margaret's stuff .png|After Margaret screamed so loudly, all of her toys that were dropped had disappeared. Series 1 episode 2.
Error on Mum pyjamas.png|When Mum asks Henry where Peter is after Henry sends the email, she's wearing her normal clothes, but when Henry tells her that Peter's gone to the dump, she's wearing her pyjamas. When Mum and Dad run after the truck to rescue Peter, she's wearing her clothes again. Series 1, episode 2.
Margaret mad.png|When Margaret's Dad takes Margaret home, you can see on the left side of the scene Margaret's Dad's sleeves are Henry's Dad's colour. Series 1 episode 2.
Missing hallway carpet.png|When Henry goes into the kitchen to look for a bedtime snack, the hallway floor is missing a carpet. Series 1, episode 3.
E73BEB6A-C45A-48B6-BD1F-BFA6E7A21B37.jpeg|When Henry is running downstairs to get rid of the sweet tweets, the hallway is miscoloured. Series 1, episode 3.
AB9BD4D8-7A54-486F-A74B-5B1CB8D74AF8.jpeg|When Graham asked Margaret about her gizmo, Soraya's green gizmo turned orange. Series 1 episode 3.
Error on the school.png|When Margaret said, 'We'll be waiting.', the inside of the school is missing the floor and front doors. Also, Lazy Linda appeared talking with Sour Susan, although she was with Margaret and Henry's friends. Series 1, episode 3.
Annotation 2020-06-09 200569.png|The upstairs hallway is pink multiple times in Series 1, episode 3, such when Henry enters Peter's room for all the things he wants, the walls and the KEEP OUT on Henry's room... Series 1, episode 3.
Pink hallway wall 2.png|..When Henry says, 'Just seeing what I want when you're gone.'... Series 1, episode 3.
Pink hallway wall 3.png|..When Peter lets Margaret into Henry's room... Series 1, episode 3.
Pink hallway wall 4.png|..When Margaret asks to see Henry's gold gizmo... Series 1, episode 3.
Pink hallway wall 5.png|..When Henry says, 'A gold gizmo is everything. I'm not giving it up.'... Series 1, episode 3.
Pink hallway wall 6.png|..and When Margaret takes a crisp from Peter's bowl. Series 1, episode 3.
Pink hallway.png|When Peter brings his bags into Henry's room, if you look closely at the wall behind Peter it is pink, but in the next shot, if you look to the right, the wall is green - the usual colour. It then reverts to pink again when Mum tells them not to go in the living room. Series 1, episode 4.
Wrong bedroom and clothes.png|When Henry goes downstairs at night, first he opens the door to Peter's bedroom and looks out while in his clothes. But when it cuts to the part when he leaves his bedroom and goes downstairs, he comes out of his door and is in his pyjamas. Series 1, episode 4.
Scene reverted.png|When Henry goes to the raffle booth, and when he said that he got 42, he somehow disappeared in the crowd of children. Series 1, episode 4.
Peter behind Henry.png|When Henry is on the steps to the slide, Peter was behind him. But after the scene with the announcer, there is now a child with a green jumper with dark red hair behind Henry. Series 1, episode 4.
Greedy Graham is missing eyebrows.jpeg|When Andrew says, 'That's not a real monster, is it?', Graham's eyebrows are missing. Series 1 episode 5.
Nothing in the gap when Peter is behind the poster.jpeg|When Henry is holding up a poster, Peter is behind it, but you can see there's a gap between the poster and ground, but there is nothing in the gap. Peter should've been seen in the gap. Series 1 episode 5.
Margaret's dislocated arms.png|When Margaret's shocked to see Henry steal all her treats, her arms aren't aligned to the fence. Series 1 episode 5.
Pencil outline for the moon.png|When Margaret and Al are having pumpkins thrown at them, the pencil outline of the moon is visible. Series 1 episode 5.
X fully painted when Dad scooped paint off.png|When Dad saw the X painted on the front door, he scooped some paint off with his finger but when Henry reappears, the X is fully painted on. Series 1, episode 5.
Peter in bunny suit.png|When Peter and Mum go outside, Peter was in his normal clothes, but when they came back, he was in his bunny costume, and his hair grew back. Series 1 episode 5.
Sam and Ted wrong room.png|When Miss Battle-Axe says, 'Provided it doesn't rain, of course', Spotless Sam and Tidy Ted are in the background, but in the wrong classroom. Series 1, episode 6.
Tidy Ted Spoon.png|When Ted drops his egg, Brian's shorts are white instead of black. Series 1 episode 6.
A error at the top right coner .png|When Miss Lovely announces the 400 meters race, Peter can be seen in the top right corner. Series 1, episode 6.
Sweet Treats.png|When everyone saw the sweet treats, Andrew's hair is brown. Series 1 episode 6.
Peter in normal clothes.png|When Miss Battle-Axe sends Peter home, he was in his sports clothes. But when Henry comes home with his trophy, Peter is wearing his normal clothes but he didn’t carry a bag so it’s unclear how he got a change of clothes. Series 1, episode 6.
Soraya in her normal clothes.png|When Miss Battle-Axe blew the whistle and everyone started walking, in the background, Singing Soraya is not wearing her sports clothes and Andrew looks a bit like Henry and William looks like Andrew. Series 1, episode 6.
Peter? over there?.png|When Henry throws a gummy fuzzball to Al, Peter can be seen in the background, even though he was supposed to have been sent home. Series 1, episode 6.
Notices Ralph's Hair.jpeg|When Ralph cheers in the egg and spoon race, his hair has the same texture as Slimy Sammy. Series 1 episode 6.
Frozen egg drip.png|When Miss Battle-Axe yells, 'Who brought those eggs!', an egg drip on her head has frozen. Series 1, episode 6.
No neck.png|When Ralph alerts Henry that Bert is coming, Henry's neck disappears for a frame. Series 1, episode 7.
Yellow neck.png|When Henry says, "I wouldn't even mind," his neck disappears for a second. Series 1, episode 7.
Henry error.JPG|When Henry says, 'I deserve a punch in the mouth don't I?', his arms and shirt are copy-pasted. Series 1 episode 7.
Daytime when Peter lost a tooth.png|When Henry complains that he's the only one who hasn't lost a tooth, it is daytime outside. Series 1, episode 7.
Missing fridge.png|When Mum asked Henry why both the sweet jars are empty, the fridge is missing. Series 1, episode 7.
Missing crocodile slippers.png|When Peter tells Henry to come downstairs and to look at his tooth, for a split-second his crocodile slippers disappeared. Series 1, episode 7.
Disappearing toffee.png|When Ralph said 'Brilliant save, though', the toffee on the grass had disappeared. Series 1, episode 7.
Henry's empty lunchbox.png|When Henry said, 'I'm not letting the demon dinner lady spoil my fun.', his lunch box is empty. Series 1 episode 8.
Error on school dinner room.png|When Miss Battle-Axe tells Henry to eat something, it showed Margaret and Graham in the school dining room, but they're supposed to be in the packed lunchroom. Series 1 episode 8.
Treats still in and flying out of the lunchboxes.png|When Greta takes everyone's treats, treats still can be seen in the student's lunchboxes, and when she searches for them, treats can be seen flying out. Series 1, episode 8.
Spider cupcake still in Henry's lunchbox.png|Also, Henry's cupcake with the rubber spider can still be seen in his lunchbox after he pranked, which Greta did not notice as a treat. Series 1, episode 8.
Greta eating apples.png|Greta ate apples out of Ralph and Bert's lunchboxes, despite apples not being treats. Series 1, episode 8.
E6483220-178E-4EC0-8183-8CE320B74E0A.jpeg|When Greta is wheeled out into the playground, the school doors are green instead of their usual colour. Series 1, episode 8.
BE05BFFD-5671-4844-8FC3-260769D76607.jpg|When Henry says, 'Well, they are a lot healthier.', Margaret's eyes are located at the center of her nose. Series 1, episode 8.
Margaret's treats in her lunch box.png|The treats that Greta gets from Margaret's socks can be seen in the same scene earlier in her lunchbox, despite Greta complaining she couldn't find any treats. Series 1, Episode 8.
Colour changing cake.png|In the scene where Greta tries to eat a treat attached to a stretchy spider, the cake that the spider is on in Henry's lunchbox changes from blue to pink when Henry says 'Gotcha'. An apple also appears in Henry's lunchbox during the scene. Series 1, Episode 8.
Peter crying and asleep?.png|When Peter cries after having his ice sculpture broken by Henry and Steve, his lips don't move. Series 1, episode 9.
TV remote phone.png|When Dad comes to say he found a babysitter, he's holding a TV remote instead of a phone. Series 1, episode 10.
Peter changes to clothes.png|When Peter shudders when Rebecca comes upstairs, he changes from his pyjamas into his normal clothes. Series 1, episode 10.
Notice Tetchy Tess's pink lipstick.png|When Tess hears Henry flooding the bathroom, she has pink lipstick. But, when she turns around to the door before it's flooded, the lipstick is gone. Series 1, episode 10.
Error on the toy spider.png|When Rebecca pokes the toy spider with a book and knocks it off the sofa, it changes into a real one. Series 1, episode 10.
Dad in normal clothes episode 10.png|When Mum and Dad come home, Dad is in his suit, but when he says they won't have Rebecca to babysit again, he's in his normal clothes. Series 1, episode 10.
Missing spaghetti when Henry yells Noooo!!!.png|Horrid Henry has spaghetti on his plate and was eating it. But when Henry says "Rebecca? Not Rabid Rebecca! and screams Noooo!, it is gone. Series 1, episode 10.
Horrid Henry's missing a stripe.png|When Mum explains that she washed Mr Kill because he was smelly, Henry is missing his yellow stripe on his shirt. Series 1 episode 11.
Mum's blue sleeves.jpeg|When Mum told Henry to stay in his room, her sleeves are blue, and before that, they were purple. Series 1 episode 11.
Henry and Peter have paler skin.png|Henry and Peter's skin are paler when Henry is telling Peter to confess for Mum and Dad. Also, Peter's room is no longer messy. Series 1, episode 11.
An error on andrew.png|When Henry stands up after Ralph pranks him in the pool, in the background Andrew doesn't have eyes. Series 1 episode 12.
No handles?!.jpeg|When Henry said, 'Keep it to yourself Andrew', the lockers handles were missing. Series 1 episode 12.
William light brown hair.png|When they warn Henry about the shark in the pool, William's hair is light brown. Series 1, episode 12.
316CB858-4A5E-4904-942B-39B0873F1129.jpeg|When Margaret says she can't see a mountain lion, Soraya's scrunchies are pink instead of orange. Series 1 episode 12.
Screen Shot 2020-05-10 at 10.05.39 am.png|When Henry told Andrew about the shark escaping from the aquarium, in the background when Brainy Brian opens his locker, there is another one inside. Series 1, episode 12.
Ralph different hairstyle.png|When Henry goes on the diving board, Ralph's hairstyle is different. Series 1, episode 12.
Two Susans.png|When everyone sees the 'shark' and swims back, there are two Susans in the background. It is supposed to be Lazy Linda. Series 1, episode 12.
Grahamshorts.png|When the class looks out to see the mountain lion, Graham is wearing shorts. Series 1, episode 12
Brianerror.png|When Brian says "It is not a mountain lion's natural habitat", the pens from his shirt pocket are uncolored. Series 1, episode 12.
Notices an error on the camera.png|When Henry says, 'Of course, you know best, Bill, sir.', the CCTV camera is facing towards them. Series 1 episode 13.
An error on the background.png|When Margaret said, 'Your parties are never fun.', the background shows a close up of the school tables. Series 1 episode 14.
Al error birthday.png|In the flashback, when Ralph throws an apple at Henry, behind Ralph is Al but he is miscoloured. Series 1 episode 14.
Purple dress.png|When Henry uses the Double Drencher 3000 to rain on the girls, a girl is wearing a purple dress. She doesn't look like any of the girls in the series. Series 1 episode 14.
Gurinder trousers error.png|When Henry was looking around, Gorgeous Gurinder's trousers are lavender. Series 1, episode 14.
Error on Andrew colours.png|When Henry said that his birthday is going to be different, Andrew has William's colours. Series 1 episode 14.
Birthday error.png|Before Henry asks where Ralph is and when he looks around, Susan's left eye is uncolored, Gurinder is missing a line on her shirt, and Peter's right eye looks deformed. Series 1, episode 14.
2A1CB045-1EE7-4CBE-B589-4588918C98EB.jpeg|When Henry says it's going to be a different party this year, Greedy Graham's eyebrows are dislocated. Series 1 episode 14.
Phone.png|When Fluffy changes the time from night to day, in the first shot there is a phone next to her instead of the TV remote. Series 1, episode 14.
Dad clean?!.png|When Mum and Dad tell Henry to stop ruining the tea, the jelly on Dad's face is gone. Series 1, episode 14.
Horrid Henry Birthday.png|In the TV version, the title card 'Horrid Henry Birthday' doesn't make sense. Series 1, episode 14.
Linda sleeves error.png|When Lazy Linda tells Henry to pass the parcel, her sleeves are red (the same colour as her overalls/dress). Series 1, episode 14.
2FBE16A8-1791-4BC6-A4CB-41E01019B588.jpeg|When Henry opens the door to the dining room, the hallway carpet is green. Series 1, episode 14.
Margaret mouth error.png|When Margaret says "Henry, you were right, this is a good party!" Her mouth is layered over her nose. Series 1, episode 14.
CDCE9E31-F30D-4C20-AC55-DA38472A2053.jpeg|When Henry screams in frustration, the door some how closes even though it should be open. Series 1, episode 14.
A layer tall on the peanut butter sandwich?!.png|When Henry grabbed a peanut butter sandwich, it was three layers tall, but when he said "This was the worst party ever!", it was only one layer tall. Series 1, episode 14.
Red pillow.png|When Henry asks where Ralph is, there is a red pillow behind him. When Henry tells everyone to see their presents, it is gone. Series 1, episode 14.
Ralph error (Horrid Henry's Birthday).png|When Bert pours apple juice on Ralph, there is an error on his face for one frame. Series 1, episode 14.
Line error.png|When Henry goes to the living room, Susan and Linda switch places and Gurinder is missing. Series 1, episode 14.
Burger on top of Andrew.png|When Andrew is hiding under the tablecloth, a burger is on top of him, although Mum and Dad didn't let Henry have any burgers for the birthday tea. Series 1, episode 14.
Peter's grey trousers.jpeg|When Rich Aunt Ruby kisses Mum on the cheeks, Peter's trousers are grey. Series 1 episode 15.
0F9A169D-4313-49A4-964A-FB9AD19B01AA.jpg|When Miss Battle-Axe says, 'Egh ugh lalinyub', her collar color is the same as her jacket's. Series 1, episode 16.
Horrid Henry tiem machine an error on Peter.png|When Margaret and Susan came to Henry's front door and told him the perfect part in the school play, Peter's red lips are gone. Series 1 episode 16.
Mum's normal clothes 1.png|When Dad says, 'Oh no, the mousse! I'll have to make another one.', Mum is wearing her normal clothes. Series 1, episode 17.
Mum's normal clothes 2.png|When Fluffy chases Hercules and everyone runs out into the dining room, Mum is wearing her normal clothes. Series 1, episode 17.
Mum's normal clothes 3.png|When Henry enters the living room with his Grisly Grub, Mum is wearing her normal clothes and Peter has a line on his jumper. Series 1, episode 17.
Mum's normal clothes 4.png|When Mum says, 'I thought you were in bed', she is wearing her normal clothes. Series 1, episode 17.
Mum's normal clothes 5.png|In the flashback when Doddery Donald and Old Olive are about to sit down, Mum is wearing her normal clothes. Series 1, episode 17.
Mr Mossy missing eyebrows.png|When Mr Mossy takes his fedora off, his eyebrows disappear for a single frame. Series 1, episode 17.
Hercules error.png|When Mr Mossy asks if Hercules ate all the snacks, Hercules' eyebrows disappear for one frame. Series 1, episode 17.
Henry neck error.png|When Mum and Dad help clean up Mrs Mossy, Henry's neck is uncolored for a few seconds. Series 1, episode 17.
069C7F74-A208-47D0-9030-D6630807F4FD.jpeg|When Dad and Mr Mossy are walking into the kitchen, the see through glass doesn't seem to show the hallway. Series 1, episode 17.
Mrs Mossy error.png|When Mrs Mossy was about to eat the Rotten Krispies, the wrists on her coat are dark pink. This happens again when Peter offers her a drink. Series 1, episode 17.
69DE29FD-4BDA-4661-8E61-D8FD10BCA2F5.jpg|When Mrs Mossy yells, 'Are you trying to poison me?!', the wrists of her coat are back to their normal colors. Series 1, episode 17.
Twin Ralphs.png|When Mrs Crunch was introducing herself to the class, Ralph is a duplicate. Series 1, episode 18.
Grey cat.png|When Gordon is standing next to the bus, the cat is grey (the same colour as Fluffy). Series 1, episode 18.
Missing bed sheet.jpeg|When Henry says, 'Margaret is just painting her playhouse.', his bed sheet disappears the scene after. Series 1 episode 20.
Maroon car.jpeg|When Dad is driving down the road, the car is maroon, and the headlights are blue. Series 1 episode 20.
Dad exits on the right side of the car when he is driving on the left.jpeg|In the shot where Dad says, 'What?', he is driving on the left side of his car, but when he gets out of the car, he exits from the right side of the car. Series 1 episode 20.
Missing shelf.png|When Henry looks around his room for his stuff, the shelf above his bed is missing. Series 1, episode 20
Blue paint missing.png|When Henry said, 'You must paint your whole face and the outside of your house blue', the paint wasn't shown, but the cups were only shown. Series 1, episode 20.
Mum with dotted eyes.png|When Mum is nearly at Henry's bedroom door when he's trying to paint off the drawings in his wall, she has black dotted eyes instead of the normal ones the other characters have. Series 1, episode 20.
Mum's pink jumper.png|When Mum scolds Henry for doing horrid things, she is wearing a dark pink jumper but in the next shot, she appears to wear her normal clothes. Series 1, episode 21.
Purple wall.png|When Henry says Great Aunt Greta thinks he is a girl, the wall is purple rather than yellow. Also, Henry is wearing his clothes when he should be in his pyjamas. Series 1, episode 21.
FE137F17-F4CC-40C6-BB2A-4029C380F6AD.jpeg|When Peter complains that his bed is too cold, he's in Henry's room rather than his own. Series 1 episode 22.
Bandages on Bunny.jpeg|When the shelf is collapsing, the bandages on Bunny show up before they're even added in the hospital scene. Series 1 episode 23.
Dad's frame error.png|When Dad says "I don't want Nick's parents phoning me to come and get you", there is a frame error on his mouth. Series 1 episode 24.
Al's Clothes.png|When Miss Battle-Axe says: 'Right children, everyone ready', Al is wearing his normal clothes instead of his sports clothes. Series 1 episode 25.
Peter Error.JPG|When Peter says, 'What was that?', he is in his normal clothes (additionally missing his buttons from his white shirt). Series 1 episode 26.
Dad in normal clothes.png|After the tent collapses, when Dad tells everyone to stay calm, he's wearing his pyjamas, but in the next shot when the French man walks towards them, he's wearing his normal clothes. Series 1, episode 26.
Mistake.jpg|When Peter asked 'Can we go for a walk?', his right eye is facing Mum, but his left eye is facing the viewers. Series 1 episode 26.
Errors.png|When Henry lets the sheep out of the field, many more sheep leave it than were first in it when Henry opens the gate. Series 1, episode 26.
Peter's brown trousers.png|When Dad said that this was real camping, Peter's trousers were brown. Series 1, episode 26.
Peter's green trunks.png|When Henry pushes Peter down the slide at Camp Le Fun, Peter's trunks were green. Series 1, episode 26.
Upwards rain.gif|Some of the raindrops appear to be moving upwards. Series 1, episode 26
Flag on wrong door.png|When Henry and Peter are fighting over the orange juice, the bathroom door has the skull and crossbones flag that should be on Henry's door. Series 1, episode 28.
Error on Sam having Ted pants.png|When Colin the Clown introduce himself, Spotless Sam has Tidy Ted's pants colour. Series 1, episode 29.
Uncolored Eyebrow.jpg|When Colin says "Let's just say that I had a bad circus experience" for one frame, his left eyebrow is uncolored. Series 1, episode 29.
Error on the background.png|When Henry screams Noooo!!! to open the episode, the background changed. Series 1, episode 30.
Wrong flag.png|When Henry leaves the house through the back door, he is holding the Secret Club flag instead of the Purple Hand flag. Series 1, episode 30.
Red circle on Secret Club flag.png|When Susan says, 'Let the battle commence!', The Secret Club flag has a red circle on it. Series 1, episode 30.
Andrew and William swapped seats.png|When in the classroom, William and Andrew are in each other’s seats. Series 1, episode 30.
Ralph layering error.png|When Ralph tries to fight the Maths Monster, his mouth is layered over his hands. Series 1, episode 31.
Al disappears from chair.png|When the last chair knocks Nurse Needle's leg, Al was supposed to be sitting on the chair, but he disappeared. Series 1, episode 31.
Andrew?.png|When Susan says, 'Let's end this love thing once and for all!' there is a boy with brown hair wearing a purple jumper who looks like Andrew. Series 1 episode 32.
15919780811138540551381650094487.jpg|When Margaret says, 'Right, Henry!', in the corner, you can see that Andrew's hair is different. Series 1 episode 32.
0F60E551-A5E2-4AAF-A3D7-AE18FE627F38.jpeg|During the chase scene, Weepy William looks like Slimy Sammy. Series 1 episode 32.
Mum smiling but sounding angry.jpeg|At the beginning of the episode, when Mum says, 'Henry! Inside at once.' she smiles but sounds angry. Series 1 episode 34.
Henry mouth error.jpeg|When Henry says 'Did too!', there is a frame error on his mouth. Series 1, episode 34.
Brainy Brian's missing.jpeg|After Mr Nerdon says, 'Susan, you first.' Brian disappeared. Series 1 episode 35.
59F1ED9C-47AC-426C-A228-1E68D6ED372C.jpeg|When Mr Nerdon was introducing himself, his hair colour changed from grey to black. Series 1, episode 35.
Error on Peter's Shirt.png|When Peter comes out of the changing room wearing the purple trousers, his white shirt is missing. Series 1 episode 37.
Orange jeans turned blue.png|When Mum tells Henry and Peter they're going, the orange jeans on the store manager's head change colour to blue. Series 1, episode 37.
Dad with Peter's hair.png|When Dad says, 'Singing shoes? Someone out there must really hate parents.' his hair has the same texture as Peter's. Series 1, episode 37.
Henry's normal trousers.png|When Mum was disappointed at Henry after the Root-a-Toots, Henry's trousers are normal. Series 1, episode 37.
Error on Steve shirt.png|When Aunt Ruby says, 'See you in the morning!' Steve's shirt changes from purple to green. Series 1 episode 38.
Margaret outside?.png|Miss Battle-Axe told Margaret she has to stay in the lunch break. However, in the next scene, Margaret can be seen talking to Susan. Series 1, episode 39.
Ralph not seen.png|When the children were singing, Ralph was with them singing but when Miss Battle-Axe grabs Henry and splashes mud all around, Ralph wasn't seen. Series 1, episode 40.
Peter's missing bowtie 2.png|When Peter begs the Queen not to send him to the tower, his bowtie is missing. Series 1, Episode 40.
Error on William has Andrew body.png|When Henry was about to grab his pocket, in the background, William has Andrew's body. Series 1, episode 41.
Disappearing toy spider.png|When Miss Oddbod puts the toy spider on her computer, it was there, but when Miss Oddbod tells Henry to come with her, the toy spider disappeared. Series 1, episode 41.
William with Ralph's colours.png|When Miss Oddbod announces the highest mark 100%, William has Ralph's colours. Series 1, episode 41.
3A231682-4FA5-40F2-AFA3-4C7F6DBD9B0F.jpg|When Mum says, 'Henry, we're very proud of you.', there is a line on Henry's mouth coming from a box. Series 1, episode 41.
Soraya's yellow pants.png|When Margaret smacks the computer after the beep, Soraya's trousers are yellow. Series 1, episode 41.
MumLipstick.png|When Mum tells Henry off for ruining Paul and Polly's wedding, her lips were pink, but in the next screenshot, her lips are plain, just like her original appearance when she's normal. Series 1 episode 43.
Purple suit error.jpeg|When Mum taps Henry on the shoulder at the end, Henry's suit is purple. Series 1 episode 43.
Missing cushion.png|When Paul asks Henry where the ring is, the cushion Henry was holding disappears. Series 1, episode 43.
A little cake on Polly.png|When Polly cries, 'This is not the best day of my life', there is only a little bit of cake left on her face. Series 1, episode 43.
Unwrapped pink suit.png|When Henry says, 'Hey, I was watching that!', the pink wedding suit is on the sofa already unwrapped. When Mum says, 'Oh yes, you have.', she unwraps it. Series 1, episode 43.
Error on Miss Lovely.png|When Miss Lovely helps Gordon down from the chair, her lipstick is gone. Series 1, episode 44.
Horrid Henry's Aquarium.jpeg|The title 'Horrid Henry Aquarium' doesn't make sense. Series 1, episode 45.
Sock is Stripey When it Was Normal .jpg|When Henry holds the sock, it's normal but when it was on the floor, it's stripey. Series 1 episode 46.
Sunset in the morning.png|When the family is having breakfast in the morning after Henry and Peter rescue Fluffy, it's daytime outside. After Henry leaves for the pet show and Mum and Dad look at each other, it is evening/sunset. Series 1, episode 48.
Peter's room looking into the back garden.png|When Peter cries in his bedroom while Henry, Mum and Dad are looking for Fluffy in the garden, his window is looking out into the back garden when it should be looking out to the front of the house. Series 1, episode 48.
Daytime in photo.png|When Mum shows Henry the photo Peter took, it is daytime in the photo, but the photo was taken at night. Series 1, episode 49.
Error on Willam color.png|When Miss Battle-Axe said silence to everyone, William has Andrew's colour. Series 1 episode 50.
WHERE'S BEEFY BERT.png|During 9:15, when school starts, Beefy Bert is missing in the scene. Series 1, episode 50.
Pink star counter.jpeg|When Peter gets his fourth star, he is in Henry's booth. Series 1 episode 52.
Shouldn't Henry be frozen when he runs back in the house.png|When Henry runs into the house, he was frozen for a split-second. Series 1, Episode 52.
=== Series 2===
Master Hand OMG.PNG|When Peter gives Henry thumbs up after he cleans his room, his hand under his glove cannot be seen. Series 2 episode 1.
Bathtub in living room.jpeg|It would be impossible for the bathtub to fall into the living room. It should have fallen in the kitchen. Series 2 episode 2.
Blue Hand Gang.png|When Henry is running to the Purple Hand Gang Fort at night, the fort is blue instead of purple. Series 2, episode 5
An error on Peter and Parky.png|When Henry and Margaret both shout 'Noooo!!!', Peter and Parky had disappeared. Series 2 episode 6.
Sammy disappears.png|When Henry walks into the kitchen at breakfast, the chair next to Peter is empty. In the next shot when Mum introduces Henry to Sammy and Henry runs out of cereal, Sammy is sitting there. Series 2, episode 7.
211D9DFB-B9C4-4B5E-8512-76E9361B3C08.jpeg|When Henry says, 'I shall never abuse your trust!' Soraya's T-shirt is red. Series 2 episode 8.
A0C30922-73FD-4AE2-8F8B-BADAC0A21F5E.jpg|In the part where Henry announces, 'Karaoke lessons instead of music!', there is a line from a lyrics songbook laying over Soraya's head. Series 2, episode 8.
Gordon with Ted's trousers and shoes.png|When Peter is campaigning by the climbing frame for Fifi to be called Tiddles, Goody-Goody Gordon's trousers and shoes are the same colours as Tidy Ted's. Series 2, episode 9.
Henry's house darker.png|When Margaret tells Henry and Peter that Fifi was living with her, Henry's house is darker than usual. Series 2, episode 9.
5052FEE1-2F23-42FE-8D32-6AC9A4298D2F.png|The title card 'Horrid Henry's Happy Birthday Steve!' does not make sense. Series 2 episode 10.
Ruby Clean.jpg|At the end, when everyone yells, 'HENRY!!!!', the cake on Ruby's head had disappeared. Series 2 episode 10.
Peter's blue trousers.png|Peter's trousers are blue (the same colour as Goody-Goody Gordon's) instead of grey when Bill stuffs him in the bin. Series 2, episode 11
Perfect Peter Pumps Up.png|In the title card, the last word cannot have a lowercase letter at the beginning, since the first and last words always have to start with a capital letter. Series 2 episode 11.
Linda not there.png|When everyone hides under the tables when Peter transforms, Linda isn't there, but when Peter is attacking Bill, she appears. Series 2, episode 11
CB1C1EF7-A706-4369-B600-DBFA6091CD87.jpeg|When Gordon asks how Peter's plant is doing, his jumper is red, the same colour as Peter's. Series 2 episode 12.
Three circles wrapped around Margaret's leg.png|When the plant had got Margaret's leg, there are two circles wrapped around her leg. In the next scene, there are three. Series 2, episode 12.
Shadow on Henry.png|When Peter says 'No! I'm not!' after Henry turns off the TV, you can see a shadow reflecting off Henry. Series 2, episode 14.
Polly's missing eyebrows.png|Polly's eyebrows disappear for a second when Mum says, 'Well, you can stay for a nice cup of tea.'. Series 2, episode 14.
White background outside living room 1.png|When Mum goes to get a cloth to clean up the sick, the background outside the living room is white. Series 2, episode 14.
White background outside living room 2.png|When Mum says, 'Really Henry? Are you sure?' after Henry offers to clean up the sick, the background outside the living room is white. Series 2, episode 14.
White background outside living room 3.png|When Dad comes into the living room, the background outside the living room is white. Series 2, episode 14.
Horrid Henry's Smelly Stuff.png|There's a capitalization error on the title card. Instead of 'stuff', it's supposed to be 'Stuff'. Series 2 episode 16.
File:Peter’s trousers are blue instead of grey while hiding behind the bench.jpeg|As Henry sold their perfect perfume to Miss Oddbod, Peter was hiding behind the bench but his trousers were blue instead of grey.
Rebecca babysitting Henry and Peter.png|Rabid Rebecca is seen babysitting Henry and Peter whilst Mum and Dad are out, despite the fact that Mum and Dad said that they would never hire her again in Horrid Henry and the Bogey Babysitter. Series 2, episode 16.
Peter frowns when saying oh goody.png|Perfect Peter frowned when saying 'Ooh, goody!'. Series 2, episode 17.
MrsBattleAxeError.png|After Mrs Battle-Axe gives her pet to Henry to look after, she leaves after Henry closes the front door. When Mum asks him what's in the box, you can see through the front door window that it's Miss Battle-Axe who leaves, not Mrs Battle-Axe. Series 2 episode 18.
MrsBattleAxeSleeve.png|When Mrs Battle-Axe rings the doorbell, her sleeve has Miss Battle-Axe's sleeve colour. Series 2 episode 18.
15906728097485142303520969038597.jpg|When Margaret found out that she was double-crossed, there is a stall in the gap of her and Susan. When she says 'It's not...', it was gone. Series 2 episode 19
Ted's feet in wrong classroom.png|When the school bell rings in the close-up of the children's feet, you can see Tidy Ted's feet in the wrong classroom. Series 2, episode 21.
Duplicate Andrew and characters looking different.png|When it shows the left scene of the hall, Soraya, Bert, Andrew and Brian look different. Also, when it shows the left scene of the hall, there are two Andrews. Series 2, episode 22.
Brian error.png|When the scene shows Bert, Josh and Brian, Brian isn't wearing a uniform. Series 2, episode 22.
Purple dress turned orange.png|In the end, when Henry looks at the cakes on the table in front of him, Old Olive's dress changes colour from purple to orange. Series 2, episode 28.
Peter's black shorts.png|When Peter first puts his shoes on, his shorts are black. When he says, 'I don't know, but it really hurts' and from then on, they're white, their usual colour. Series 2, episode 29.
Hoppy's missing whiskers.png|When Hoppy is licking Henry's feet after the fun run, his whiskers are missing. Series 2, episode 29.
Horrid Henry Gets Married Kind Kelly 6.png|Peter's classmates are seen in the park in Henry's dream, but they are exactly the same age they were when Henry was his age (though they could have been the children of his classmates). Series 2, episode 32.
Nick disappeared.png|When Nick is running after his dad in the shop, he disappears for a split-second. Series 2, episode 34.
Missing toast.png|When Henry and Ralph say 'We're all sick and so are you!' the toast on the table behind them disappears. Series 2, episode 35.
Ralph color error.png|When Henry shouts "Not like that! New law: Everyone must shout!", Ralph's cloak is red. Series 2, episode 37
Margaretspinkheelserror.jpeg|When Margaret is about to face The Black Knight, her heels are pink instead of purple, this happens again before she jumps from The Black Knight's lance. Series 2, episode 37
Brainybriansleeveless.jpeg|When Ralph visits the dungeons by himself, Brian is sleeveless. Series 2, episode 37
Horrid Henry Takes the Biscuit.PNG|There is a capitalization error on the title card. Instead of 'takes', it was supposed to be 'Takes'. Series 2, episode 39.
File:11504836.jpg|After Vera barfed on Henry, the vomit wasn't on him in that scene where Peter notices her.
Vanishing tie.png|At the party, when Dad thanks everyone for coming and says the family will miss them, Pimply Paul's tie has disappeared. Series 2, episode 44.
CFD2AE21-E615-4602-A0CC-1A6552222464.jpeg|When the brick house boys are tornadoing past Henry's house, Moody Margaret's house has no windows. Series 2, episode 48.
A8325915-6B48-446C-AB67-8473282CD2B9.jpeg|When the bus is stopping at the school, there are no wipers on the bus. Series 2 episode, 48.
38FD487C-1BCA-45B9-B4BC-50B845A3E923.jpeg|When Ralph appears in the trolley, being wheeled by the dog, he disappears for a split second. Series 2, episode 48.
Horrid Henry Takes a Shortcut.PNG|The title picture shows that the right Brick House boy has light brown hair, but in the episode, he has dark brown hair. Series 2, episode 48.
WHERE'S MARGARET'S TONGUE.png|When Margaret shouts, 'Thousands?', her tongue did not appear. Series 2, episode 49
Mrs Crunch duplicate.png|When Dad is taking Henry to the toilet, Mrs Crunch can be seen in two places in the audience. Series 2, episode 50.
Error on the house's colour.png|When Mum puts a clothes peg on the washing line, the house is miscoloured. Series 2, episode 50.
Missing window on Margaret's house.png|When Margaret presents the Ballerina Snowgirl, one of the windows of her house is missing. ("Horrid Henry and the Big Freeze Wheeze")
Henry smile error.png|When Henry says 'But what if my snowman isn't the biggest?!' he is smiling when he says the first half of the sentence. ("Horrid Henry and the Big Freeze Wheeze")
===Series 3===
Bert's Missing Eyes..jpg|When Margaret shouts at Ralph 'Do you think I don't know that?!', Bert's eyes disappear for a split second. Series 3, episode 1
156BC23F-45BE-4A85-9E3A-AAC396469186.jpeg|When Henry is thinking back to where he put his lottery ticket, the car is miscoloured. Series 3, episode 9.
Jolly Josh alternate colours.png|When Miss Battle-Axe says, 'I've just come to tell my class something.', Jolly Josh is miscoloured. Series 3 episode 14.
No stockings.png|When Rebecca comes into class, her stockings were gone. Series 3 episode 14.
Daytime in Henry's flashback.png|When the flashback shows Fluffy looking at Henry, it is daytime despite the flashback taken place at night. Series 3, episode 15.
Peter's different hair.png|When Dad is arguing with Beefy Bert's Dad and Mum tells him they really have to go, Peter's hair is different. Series 3, episode 20.
Screenshot 20210320-143115 kindlephoto-96357815.png|When Mum gives Vera back to Polly, and when she apologized to everyone, her red lips are gone. Series 3 episode 25
15914499317624434322983445692776.jpg|When Margaret says, 'That's mine too!', the previous pizza opened had more pink stuff on it. Series 3, episode 30
A96F9B6C-E198-4F18-AAC5-90DB9469B5ED.jpeg|When Peter cries, Mum doesn't frown. Series 3, episode 34
What happened to the audience.png|When the audience applauds at Henry jumping, most (if not all the) characters look different/out-of-place. The characters who look out-of-place/different: Weepy William, Ms Oddbod, Miss Battle-Axe, Mother Battle-Axe, Singing Soraya, Jolly Josh and Old Olive. And there are two Brians, two Sorayas (except one Soraya looks different), and two Joshes (one also looks different). Series 3, episode 34.
15914508610444251353238725562779.jpg|When Horrid Octopus let go of Margaret and ran around screaming, she is running in shallow water. It's supposed to be deep. Series 3 episode 44.
Tidy Ted and Spotless Sam's blue blazers.png|When it first showed Peter's class, Ted and Sam were wearing purple blazers, but when Peter mentions Tidy Ted and Spotless Sam, their blazers are blue. Series 3, episode 46
Dad normal clothes when checking the time.png|When Dad reaches out to check the time, he's wearing his clothes instead of his pyjamas. Series 3, episode 47.
262AA5CD-FE6A-4E1A-803D-656456B17840.jpeg|When Dad is punishing Peter with no TV for a whole week, his left eyebrow disappeared for a second. Series 3, episode 51
===Series 4 ===
Ralph animation error.png|Ralph's body minus his head disappears for a frame. Series 4, episode 2.
Andrew eye error HD.png|Anxious Andrew has double eyes for a second. Series 4, episode 3.
63E13C11-3639-4144-B1F6-77B545160608.png|'Horrid Henry's I Am Not A Hamster' does not make sense. Series 4, episode 7.
HHTTTE.PNG|When Brian is pointing out Miss Battle-Axe's error on the board, the shell toe on one of Singing Soraya's shoes nearly covers up the entire shoe. Series 4, episode 12.
Mum frowning when she says Peter is good.jpeg|When Mum says, 'Oh, that's a good boy, Peter.', she frowned. Series 4, episode 24.
No eyebrows.png|Ralph's eyebrows disappear and some of the lineart on his hair is missing for a second. Series 4, episode 26.
Nick's yellow pants.jpeg|While the others are saying 'Henry's back.', Nick's pants turn yellow (the same color as Jolly Josh's). Series 4, episode 26.
316A7244-2388-44EA-AD8E-FA7D1DD1649F.jpeg|When Dad asked 'Glass of water time again?', the white cards on the Number Gnomes disappeared. Series 4, episode 31.
Error on Ralph jumper.png|When Henry says, 'We're going in!', Ralph's jacket turns red. Series 4, episode 36.
File:Screenshot (40).png|Al's right eyebrow is not on his face while Sam and Ted's eyebrows have disappeared on their faces. Series 4, episode 39.
===Series 5 ===
File:Series5Episode1Error.jpeg|When Mum walks into the room, she has no eyebrows, series 5, episode 1.
Twins.png|When Miss Oddbod says, 'I understand they're calling it the battle of the beetle bonces.', Greasy Greta's Twin Sister has Greasy Greta's skin tone and hair colour. Series 5, episode 18.
Horrid Henry and the Awful Author.png|The title's font in the word 'the' is Courier New. That means the word's font that says, 'the' is wrong. Series 5, episode 20.
STBE.PNG|Margaret says there are 3,622 boxes of Sweet Tweets, but when they're all piled up, there are only 69. Series 5, episode 23.
==Sound errors==
These errors don't come from animations. Instead, they come from sounds. To put a sound there, first record the error, then put it in the sound error list here to increase the completion of the error list.
===Series 1===
Sound 	Description 	Episode
 	When Henry is in the middle of saying "Well I'm telling you, you'll be sorry!" there is a loud static sound. However, this error is only in the Netflix version, not the TV version.	1
 	When Spotless Sam and Beefy Bert slip on the egg on the ground, Bert has Spotless Sam or Goody-Goody Gordon's voice. 	6
 	When everyone said: 'In his satsuma!', you can hear Peter when he isn't in the room. 	8
 	Greedy Graham's voice sounds exactly like Henry's in a flashback. 	24
Andrew uses William's voice.ogg‎	When Anxious Andrew says, 'Stop! He didn't write those notes!', he has Weepy William's voice. 	32
 	When Gordon asked Henry 'But, do they bite?', he used Tidy Ted's voice. 	42
 	When Sam asked, 'Will we have to wash our necks?' he used Tidy Ted's voice. 	42
 	When Tidy Ted and Spotless Sam say they want to see the Fangmangler, their voices are switched. (Ted comes first, Sam second) 	42
===Series 2===
Sound	Description 	Episode
 	When Henry said, 'I've got to get rid of the hiccups!', there is a loud static noise you can hear. However, this error is only on the Netflix version, not the TV version.	3
 	When King Henry demands Greedy Graham to cook the chips, Graham has an American accent, until he says "Well, eating it mostly." 	37
 	Henry is still singing, 'Slimy slimy slime' when he gets taken off the stage by the security guard. (the whoosh and feedback sound effects are when the guard grabs him) 	50
Category:Original Animated Series