The Ghost of the Old Castle, King Boom Boo/Sonic's Scream Test

**The Ghost of the Old Castle, King Boom Boo**, (Or, **Sonic's Scream Test**) is the nineteenth episode that happens in Sonic X: Heroes Forever.

## Characters:

* Sonic the Hedgehog
* Miles "Tails" Prower
* Amy Rose
* Cream the Rabbit
* Cheese the Chao
* NICOLE
* Shard the Hedgehog (First mentioned)
* Sally Acorn
* Sonia the Hedgehog
* Manic the Hedgehog
* Mighty the Armadillo
* Ray the Flying Squirrel
* Rotor Walrus
* Bunnie D'Coolette
* Antoine D'Coolette
* Jules Hedgehog
* Queen Aleena Hedgehog/Bernadette Hedgehog
* Sir Charles Hedgehog
* Olgilvie Hedgehog (Mentioned, not named)
* Amelia Rose (Mentioned, not named)
* Christopher Thorndyke
* Hope Kintobor
* Lindsey Thorndyke
* Luke Periwinkle (mentioned)
* Roger
* Police officers
* Doctor Eggman (mentioned)
* King Boom Boo (First appearance)
* Booms (First appearance)

## Plot

This episode starts in a virtual world with NICOLE looking over plans that Eggman was doing for "Project: Metal Sonic", to which she figures it was a plan for Eggman to either take Sonic down or frame him for doing something unjust. Upon researching further, she finds out the test subject for the Project was a Christmas Island born hedgehog named Shard and his statistic ratings were off the charts. NICOLE also finds out Shard was only 87% roboticized due to Shard escaping midway through and the date Shard was roboticized was the same one Chaos Control sent everyone to Earth and she must find Shard before Eggman does. Upon further investigation, NICOLE realizes Shard had been roboticized from the inside out, so it's highly possible he wouldn't have the appearance of a Robian and she decides to find more information. In the real world, a black and yellow hedgehog wakes up suddenly and is shocked to hear the sound of his own voice and wonders where he is.

Meanwhile, down at a castle in the middle of a lake, different rooms of the castle are explored and faint laughter can be heard. The laughing is suddenly interrupted by Sonic yawning. Sally then comments to Sonic that Chris wanted the Mobians and Hope to come to the film set to see what his mother does and Sonic apologizes, saying he didn't want to get in the way of a take. The movie director tells Lindsey that he would like to do the take over again. Hope appears by Chris in a light blue ballgown, saying that Lindsey offered her a part in the movie as her character's daughter. Lindsey redoes the take and meets over with Chris and the rest of the Mobians, who are all thoroughly impressed by Lindsey's take (Sonia commenting she'd give Luke Periwinkle a run for his money). She asks if his friends are there, saying she sees Hope, but, not anyone else, not knowing that the Mobians were the ones she was mentioning. Jules exclaims that they were right there and Lindsey mistakes Jules as a person dressed up to look just like a hedgehog, to which he says he was, before he became a Robian. Tails asks if Chris told her that they were really animals, but, Chris responds that his mother spends so much time on set, she has a hard time distinguishing stuff that's from a movie and what's real. Chris asks where Cream and Cheese is. Tails starts panicking when Bunnie assures she'll find them, when the director says, "Rewind that!". On the camera screen of the scene shows two little heads poking over a bush: Cream and Cheese. The camera man says that they can just digitally edit them out and Hope quickly whips out her DigiTab she made from some parts of a damaged computer, an old camera, and an old film projector. Within a few seconds, she is able to put the film into it and digitally edit Cream and Cheese out of the shot. The camera man is really impressed with Hope's work and Tails says that stuff like this is a cakewalk for her.

Meanwhile, Sonic and Sally are exploring the interior of the castle and Sally comments it reminds her of Castle Acorn back on Mobius. The couple also feel relieved they can get a chance to relax for a change. The filming crew are then ready to shoot the next scene and Hope is still unsure about her dress. Amy and Sonia compliment it, saying it brings out her eyes, but, Hope admits that fancy dresses aren't really her style. It goes into the camera's point of view as it follows Lindsey, who is running down the courtyard sidewalk. The camera hits something, which turns out to be a small Talisman on a pedestal. The camera man decides to move it out of the way, but, as he touches it, something starts to happen in the area of the castle where Sonic and Sally are. The camera man then changes his mind and instead moves the camera behind the Talisman. Everything turns back to normal with Sonic and Sally, though they do show concern, mentioning the air around them had grown cold, but, Sonic feels it to be familiar somewhat. The hedgehog and squirrelmunk decide to continue the investigation. As the scene gets shot again, the Talisman is still in the way, this time getting right in the middle of the shot. The camera man picks up the Talisman and puts it on the ground. Once again, something strange happens to Sonic and Sally, but, when they look around the room, they see nothing.

That night, the crew does a scene in a dark corridor. As Lindsey passes a wall covered in strange symbols, the sound man says he hears a noise. Meanwhile, Sonic looks out over the courtyard from an upstairs window and Sonia comes up next to her brother. Sonic reveals to Sonia that the castle reminds him of something terrifying, something that he remembers Eggman chasing around. Sonia then promises to help him and Sally investigate. Down with Chris and Hope, the two were trying to tell Lindsey that the Mobians weren't in costume. To prove it, Jules removes his head and puts it right back on, but, Lindsey brushes it off as clever animatronics. The sound man says he can't find anything wrong on his end and says they should shoot the scene again. They do, but, the noise appears again. The director say decides to call it a day. In Lindsey's room, Lindsey is powdering her face when Chris arrived to say goodnight. Lindsey in turn gives him a big hug and tells him to have sweet dreams and Chris leaves. Meanwhile, the sound man walks down the corridor with a sound detecting device, looking for the noise. Chris arrives in his room, but, finds only Tails, Rotor, and Sir Charles, who are on their beds reading. When he asks them where the others were, Rotor tells him that the girls (meaning Amy, Cream, Cheese, Bunnie, and "Bernadette") are having a sleepover in Hope's room, while Antoine had volunteered to be on guard duty for the night and Tails mentions that Sonic was with his siblings, dad, Sally, Mighty, and Ray. Chris hopes Sonic doesn't get into any trouble, but, Sir Charles assures that Sally's with him, so things should be fine.

Outside in the courtyard, the Mobians that Tails mentioned were walking around and see the pedestal that the Talisman statue had been on. Sonic goes up to it and then looks down and sees the Talisman that the camera man had put on the ground earlier that day. He picks it up and examines it, saying to his father that it looks familiar. With the sound man, he is still walking the corridor when he finally finds the area where the noise was coming from. It was coming from the wall with the strange symbols on it. As he listens, the sound becomes clear: laughter. Behind him, a few Booms appear, but, disappear when he looks behind him. Lindsey, in her room, hears the laughter and calls Chris' name, thinking that it was him. When it continues, she gets angry and stands up to face the door, saying that the "little joke" had gone far enough. The laughing stops, so she sits back down and sees her reflection in the mirror. But, it's not her reflection! It has her hair, shirt, and necklace, but, instead of her normal face, the face is pure white, with large, circular red and yellow eyes and black pupils. Its mouth is open in a large grin, showing large, sharp black teeth. In a deep voice, it greets her. Lindsey screams.

Outside, Sonic looks at the Talisman. The one end of the Talisman has a crescent moon mark on it and the other end has a sun mark on it. He tells the group he realized just what it is, but, before he can, the group had to go back for the others. However, when they hear screams from the castle, they realize they may be a bit too late. Back inside the castle, the crew is on a frantic search for Lindsey. Chris Tails, Rotor and Sir Charles search outside, while Amy, Cream, Cheese, Hope, "Bernadette," and Bunnie search the inside. The six of them go down the hall with the strange symbols when Cheese hears something. Suddenly, the laughter from before starts. "Bernadette" quickly transforms into Aleena and senses some unwanted company. Bunnie finds the area where the laughter is coming from and knocks on the wall. Amy goes to get some help, but, is stopped by a Boom arm coming out of the wall. Hope says she's read about something like this, while Aleena says she's *experienced* something like this. Aleena tells everyone to run, to which they do, and she uses her Shining Barrier to hold off the Booms and rushes off to warn her family. Chris, Tails, Rotor, and Sir Charles reach the spot where Aleena had just left and she returns with Cheese and the majority of the girls. Cream, while hugging Tails tightly, reveals to the boys that there's ghosts in the castle and Amy states that they're scarier than her mother told her. At that moment, Sonic then appears with his group and Sally tells him he still hasn't explained what's happening. Amy explains that they had been looking for Chris' mother when ghosts attacked them. Sally says she does not believe in ghosts, but, Sonic says that what she said about the Time Stones and the Floating Island, leaving her a little embarrassed. Before Sonic could properly explain, some of the Booms' heads poke out of the wall. Bunnie fires at the wall, breaking it and revealing a large, purple-pink wall. Boom arms reach out of the wall and grab at them. Everyone runs and Sonia tries to attack the hands with her medallion, but, they turn intangible, so her lasers are useless. Sally's convinced that ghosts are real, but, Sonic explains they aren't ghosts, they're Booms. Suddenly, Tails is grabbed by the ghosts and pulled into the wall. Cream yells out for him, but, the Booms go after her next, as well as Cheese, Hope, Bunnie, Rotor, Jules, Sir Charles, and Ray. Sonic yells at the Booms to bring them back. The Booms then try to grab Sally, Sonia, and Amy, but Sonic, Mighty and Manic manage to save the girls and get grabbed instead. The Booms pull the boys towards the wall and Sonic throws the Talisman to Chris. The pieces of the outer wall start to piece themselves back together. Sonic explains that the Talisman fell off a pedestal outside and that it definitely has something to do with what was happening. The wall then seals him off, completing the outer wall. Amy then angrily strikes the wall repeatedly with her Piko Piko Hammer, yelling at the ghosts to give their friends back. Aleena then rushes in, asking what had happened and Sonia tells her mother that most of the team had been captured.

The next morning, the film crew are explaining to the police about the happenings, and they admit they heard reports about the place being haunted. The director asks why they weren't told of it before starting to film, but the police shrug, saying the locals don't like to talk about it. Chris and the remaining Mobians find the pedestal Sonic told them about before he disappeared, and Aleena explains that the Talisman can either empower or defeat the Booms depending on if either the sun or the moon and star is face up, and the Booms live in a pocket dimension outside of their own. Amy then asks where Antoine was, to which Sonia replies he's looking for Bunnie. Chris then hears wind and then feels a draft coming from underneath the pedestal and says there may be a hidden passageway underneath it. Amy takes out her hammer and hits the side of the pedestal, making it move to the side and revealing stairs going down. Amy decides to go down to rescue their friends, but, Sonia stops her, saying it could be a trap. Amy says she knows and continues to go down the stairs. Sally, Aleena, and Sonia follow her, but, Chris remains behind, handing the Talisman to Sonia. Going down the stairs, Sally asks if everyone was okay. Amy admits she's fine, but, then a drop of water from the ceiling drips onto her shoulder, causing her to freak out. As the girls carry on, Amy asks Aleena how she knew about the Booms, to which she tells them that her father had to deal with them before. Sonia gets a sense of willpower and Amy confesses to Aleena she felt over her head: Sally's the princess of the Acorn Kingdom and Aleena and Sonic were of royal blood from Christmas Island, but, she felt ordinary by comparison. Aleena then tells Amy that her husband Jules was born a normal hedgehog, too, and what truly matters is that Amy has courage to come and they must be brave more than ever because Booms feed of the power of fear. They look around and see some Booms flying towards them. They fly circles around them and Aleena grabs the Talisman and holds it up into the air. The ghosts freeze, then start flying away in a panic from the way they came.

After they are gone, Aleena clarifies that the Booms are afraid of it, the sun side specifically. Amy, feeling much braver, charges after the ghosts, with Sally, Aleena, and Sonia following close behind. At this point, Amy admits to Aleena she used to have a crush on Sonic, but, she let go of him upon seeing that him and Sally are meant to be and now she has a crush on Manic, but, she doesn't want to make the same mistakes she did with Sonic. Aleena tells her to go slowly and tell Manic when she feels it's the right time, then have them both talk it over. Sonia also admits she developed a crush of her own: Mighty, after he saved her from the Booms. Sonia tells her mother she hadn't been so lucky with love (having a fiance, Bartleby, she broke up with, and two crushes, Stripes and Knuckles, that didn't get very far) and Aleena tells her daughter to take her own romance slowly, too. They come to another room and see the ghosts go down some more stairs and through a door. With the missing party members, Sonic and Mighty wake up and sees King Boom Boo standing there. The blue blur recognizes the King Boom Boo and he remarks that Olgilvie sealed him in the pocket dimension and it's here it's revealed the pocket dimension can reach both Earth *and* Mobius as well as a place called the No-Zone. Mighty is confident he and Sonic would stop the Booms, but, Sonic says there's nothing they can do here and that his mother, girlfriend, and sister will stop the Booms. King Boom Boo reminds Sonic that Amy is naive and trusting, but, Sonic remarks that Amy shouldn't be underestimated. Antoine overhears the plan from outside and he becomes determined to save Bunnie.

Amy, Sonia, Sally, and Aleena go through the door the ghost went through, but, for safety, they hold out the statue in case there are ghosts around. The room is empty and dark, except for a little light coming in from a small window. The four girls start looking around and Sonic starts calling out to them. They look up and see Sonic on the ceiling, with Mighty and Manic visible near him. Sonic tells them that there isn't much time and to listen to him. King Boom Boo speaks in Sonic's voice and he says Manic's always loved Amy and to put the Talisman on the window. Aleena senses something is wrong as Amy goes to put the window when a Boom possesses Aleena, telling her to turn it to the moon side up. Amy thanks the queen for the advice and Sonia remarks it's a bad idea, only for a Boom to possess her as well and say to disregard the statement. Amy puts the Talisman on the window and Sally yells at her not to do it.

The crescent moon on the Talisman glows, and in a flash of light, King Boom Boo appears with some of his Booms. It is then revealed that it was he who pretended to be Sonic, Sonia, and Aleena, and tricked Amy into putting the Talisman on the window. They laugh and Amy blames herself for letting this happen. Aleena tells Amy now's not the time for that and she starts up her Shining Barrier once again. Aleena tells the girls to get into her barrier, but, Amy is caught before that could happen. Amy struggles and a Boom enters her body, making her pass out. King Boom Boo puts her on the ground and Sonia runs up to her, her mother warning her to get back. Amy suddenly wakes up, her eyes now black, red, and yellow and her mouth in a large grin with black, sharp teeth. She gets up like a rag-doll and levitates in the air as she is now possessed. She latches onto Sonia and a Boom flies into her mouth, making her possessed too. Sally and Aleena are horrified at this and stand close together, making sure not to end up like Sonia and Amy. As the two pink hedgehogs move toward the other pair, Aleena tells Sally to get to the Talisman. Without hesitation, she picks up the Talisman, flips it over so the sun side is facing up and puts it back on the window sill. Sun-like light comes from tiles in the ceiling and Sonic, Manic and Mighty are freed. Sonic tells Mighty and Manic to punch Sonia and Amy in the stomach to get the Booms out of them and after some hesitance, they do so. The Booms leaves their bodies, turning them back to normal. Sonia and Amy feel in pain, but, they embrace Mighty and Manic tightly in the heat of the moment. The smaller Booms attack Sonic, but, he attacks back, defeating some of the Booms. He then charges at King Boom Boo. Some Booms get ready to attack Amy, but, she hits them into a wall instead. Three more corner her and fuse together into a larger Boom Boo. Amy gets in a fighting stance and hits the ghost, causing it to crash into the wall. Meanwhile, Sally wakes Lindsey up, who has also been freed, as well as Hope, Tails, Cream, Cheese, Bunnie, Rotor, Jules, Sir Charles, and Ray. She gets up and asks how she was in that take, not realizing the events that have occurred. Sonic tells the others to get out while he deals with the Booms. Tails throws Sonic a Power Ring, giving Sonic the power to use his Spin Dash on King Boom Boo. Sally grabs the Talisman, then she and the others leave as Sonic slams into King Boom Boo, slamming him into the wall. He then leaves to go catch up to his friends. When he does, he finds that they have not even made it halfway up the stairs. Suddenly, King Boom Boo bursts out of the wall and starts eating up the staircase, refusing to let them escape. Sonic picks Lindsey up and starts running up the stairs towards the exit. They all get outside and Amy hits the pedestal back into place. Chris puts the Talisman back on the pedestal, but, instead of the sun side, it ended on the moon side, but, Aleena explains that the inversion pedestal reverses the effects of the Talisman, so Chris really saved everyone.

Lindsey exclaims that that was fun, but, she did not know it was a fantasy film that they were filming. Then the director, camera man, and a police officer run up to them. When the she asks how well she did, they reveal they haven't done any takes all morning. She then starts to realize all the things that happened were real and that the Mobians were their real selves, not humans in costumes. She assumed everyone was being professional actors, to which Sonia says that was no such luck, and the Mobians, Chris, and Hope are relieved that Lindsey was finally understanding. The police explain that nobody has ever escaped from the ghosts before, to which Sonic corrects them and says they weren't ghosts. The officers are confused as to why this happens so much and Jules decides to explain everything to them as the episode ends with a closeup of the castle wall.

## Differences between this and the real episode:

* The real episode starts with the Booms laughing in the castle and Sonic yawning. Here, it starts with NICOLE in the virtual world researching Shard.
* Ella was originally with a small role in the movie as a housekeeper. Here, Hope has a role as Lindsey's character's daughter. On top of that, Ella doesn't appear in this episode.
* In the original episode, Tails is calm when Chris asks where Cream and Cheese was. Here, he panics.
* In this episode, Lindsey eventually understands the Mobians are Mobians, but, in the real episode, she still doesn't get it, even by season 2. On top of that, she comments on Tails being in a fox costume in the real episode, here, she comments on Jules being in a hedgehog costume.
* Hope digitally erases Cream and Cheese from the movie right on the spot. In the real episode, the digital editors don't have Hope's technology to do that.
* Amy wishes to rescue all of her friends, not just Sonic, in this rewrite.
* In the real episode, Sonic demands the Booms give Tails back. In this episode, it's Cream who does that.
* In the real episode, Sonic shows up just as Ella is being sucked into the Booms' pocket world. Here, he and his group show up before anyone is grabbed.
* Amy wasn't punched in the English dub of the real episode and the Boom slipped out when she fell into Sonic's arms. In the Japanese dub, Sonic punched her and the Boom fell out. Here, it was Manic who punched Amy and Mighty did the same with Sonia.
* In the real episode, Sonic has no idea what the Booms are or how they operate. Here, he and his mom have lots of knowledge of them.
* Sonic admitted in the real episode he doesn't believe in ghosts. In this episode, it's Sally who says that, but, Sonic retorts she said the same about the Time Stones and the Floating Island.
* Chris doesn't join Amy, Sally, Sonia, and Aleena downstairs, so anything he does is given to Sally, Sonia, or Aleena.
* Scenes in the cellar downstairs are extended where Aleena explains about how Booms work and about Sonia and Amy confessing they have crushes on Mighty and Manic respectively.
* The real episode ends on two ghosts laughing, while this episode ends with a closeup of the castle wall.
* The fact the castle was haunted was mentioned much earlier on in this episode than in the real episode.