Timeline of events in Pokémon the Series: Ruby and Sapphire

In , Ash Ketchum travels to the Hoenn region with , meeting new in siblings and Max and reuniting with . Ash aims to collect eight Gym Badges to enter the Hoenn League, while May decides to instead focus on Pokémon Contests as a Pokémon Coordinator. Together, they face many challenges and threats, including the villainous Team Aqua and Team Magma, who plan to awaken Hoenn's Legendary Pokémon .
Following the Ever Grande Conference for Ash and the Hoenn Grand Festival for May, the group of friends reunites in Kanto, where Ash learns of a new kind of challenge: the , a set of seven battle facilities manned by extremely powerful Trainers known as Frontier Brains, spread out all across the Kanto region. With this new and intriguing challenge ahead of him, Ash sets on a new journey through Kanto alongside his friends to earn all seven Frontier Symbols, with May getting another shot at her dream of becoming a Top Coordinator by competing in Kanto's Pokémon Contests.
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==Timeline==
These events are listed in chronological order as opposed to solely release order.
===Hoenn===
Episode 	Details
Get the Show on the Road 	
* arrives in Littleroot Town and meets with Professor Birch.
* Ash meets , a beginning .
* May encounters for the first time.
* Team Rocket unintentionally heals .
* Pikachu accidentally destroys May's bike.
* May chooses as her first partner Pokémon and receives a Pokédex and six s from Professor Birch.
* Ash and May decide to travel together.
* Ash and May head to Oldale Town in order for Ash to register for the Hoenn League.
A Ruin with a View 	
* tries and fails to an .
* May's Torchic is revealed to know and .
* and May arrive in Oldale Town.
* May meets a Nurse Joy for the first time and learns about Pokémon Centers.
* Ash registers for the Hoenn League.
* assigns Jessie and James to create a Team Rocket branch in the Hoenn region in an attempt to learn more about the plans of Team Aqua and Team Magma.
* Ash learns about the Gym in Petalburg City.
* Ash and May encounter Team Magma for the first time.
A Family That Battles Together Stays Together!	
* returns to Pewter City and reunites with his mother, Lola, who has returned to the Pewter Gym.
* Brock's Onix is revealed to know .
* Brock leaves his Onix, , and with his brother, and changes his clothes before leaving for Hoenn to meet up with .
There's no Place Like Hoenn 	
* and arrive in Petalburg City.
* Ash goes to the Petalburg Gym and meets May's brother Max, her mother Caroline, and her father Norman, the local Gym Leader.
* Ash is unable to have an official Gym battle with Norman as he needs three . He is allowed to have an unofficial battle, but loses.
* Max encounters for the first time.
* Max joins .
* Max receives a PokéNav while Ash and May receive a Badge case each from Norman.
* Ash learns of the Gym in Rustboro City and decides to head there.
Cerulean Blues 	
* returns to Cerulean City and resumes her post as the Gym Leader.
* Misty encounters the Invincible Pokémon Brothers again.
* Misty manages to overcome her fear of and is able to tame one herself.
You Never Can Taillow 	
* returns, with and Max meeting him for the first time.
* Brock's Forretress is revealed to know .
* Brock rejoins .
* learns that Brock only brought Forretress with him, having left at the Pewter Gym.
* Ash a .
In the Knicker of Time! 	
* and meet a named Nicholai.
* participates in and loses her first Pokémon battle.
* Ash's Taillow is revealed to know .
A Poached Ego! 	
* learns that there are multiple identical Nurse Joys and Officer Jennys in different cities.
* Jessie and James and .
* James a .
Tree's a Crowd 	
* learns that James has obtained a .
* Ash a .
Showdown at the Oak Corral 	
* meets the Magikarp salesman for the first time.
* and meet Butch and Cassidy for the first time.
* Delia battles for the first time onscreen.
* Mimey is revealed to know .
* Tracey's Scyther is revealed to know .
A Tail with a Twist 	
* Jessie catches a .
* Ash's Taillow is revealed to know .
* Ash's Treecko is revealed to know .
A Bite to Remember 	
* Max and see an evolution for the first time.
* Brock's Forretress is revealed to know .
The Lotad Lowdown 	
* catches a .
All Things Bright and Beautifly! 	
* and go to see a Pokémon Contest for the first time.
* Jessie is revealed to own a Hoenn Contest Pass, which she renews.
* Ash, , , and Max receive a Hoenn Contest Pass each.
* Ash learns that the first Hoenn League Gym is a Gym.
* Ash begins to teach in preparation for the Gym .
* Jessie competes in the Rustboro City Pokémon Contest and loses.
* May becomes interested in Pokémon Contests.
The Blue Badge of Courage 	
* meets Sakura again, while meets her for the first time.
* Sakura is revealed to have earned the , , and s and obtained a .
* Misty learns how to make s.
* Sakura challenges Misty to a Gym and wins, earning the Cascade Badge.
All in a Day's Wurmple 	
* learns that Double Battles are common in Hoenn.
* catches a , making it her first caught Pokémon.
* Jessie also catches a .
Gonna Rule The School! 	
* and arrive in Rustboro City and meet Roxanne, the Gym Leader.
* Ash challenges Roxanne to a Gym .
* Max is introduced to .
* Max visits the Pokémon Trainers' School and takes part in his first Pokémon battle, which is interrupted by .
* Ash and his friends learn that Jessie has obtained a .
Winner by a Nosepass 	
* reveals her intentions to participate in Pokémon Contests instead of Gym s.
* masters .
* defeats Roxanne and earns his first Hoenn League Badge, the .
Stairway to Devon 	
* learns that the second Hoenn League Gym is located on Dewford Island.
* Ash and learn about Team Aqua and Team Magma, and have their first encounter with the former.
* Ash and his friends learn about , who's currently on Dewford Island.
On a Wingull and a Prayer! 	
* and meet Mr. Briney.
* Ash and his friends head for Dewford Island on Mr. Briney's boat.
Sharpedo Attack! 	
* Brock's Lotad is revealed to know .
* and arrive on Dewford Island.
Oaknapped! 	
* meets Ritchie for the first time.
* Butch is revealed to own a , while Cassidy is revealed to own a .
* Ritchie is revealed to have a , nicknamed "Rose".
* Tracey's Scyther is revealed to know .
* begins to research Pokérus.
Brave the Wave 	
* and meet Brawly, the Gym Leader.
* Ash's Taillow is revealed to know .
* Brawly's evolves into a .
* Ash has a Gym with Brawly and loses.
* Ash and his friends decide to stay on Dewford Island while Ash trains for a rematch with Brawly.
Which Wurmple's Which? 	
* tries to an and tries to catch a , but both fail.
* Jessie's Wurmple is revealed to know .
A Hole Lotta Trouble 	
* and meet .
Gone Corphishin' 	
* catches a .
A Corphish Out of Water 	
* 's evolves into . 
* Jessie's Wurmple evolves into .
A Mudkip Mission 	
* tries and fails to capture a .
* James's Cacnea is revealed to know .
* catches a .
Turning Over a Nuzleaf 	
* Ash's Corphish is revealed to know .
A Three Team Scheme! 	
*  and meet up with Professor Birch.
* and Max encounter Team Magma for the first time.
* Team Aqua and Team Magma are revealed to possess the Red Orb and the Blue Orb, respectively.
Seeing is Believing! 	
* Jessie's is revealed to know and .
* 's evolves into and learns .
* Jessie's Cascoon evolves into and learns and .
* Professor Birch leaves .
A Meditite Fight! 	
* meets Brawly again, and they prepare to start their rematch.
Just One of the Geysers 	
* Ash's Corphish is revealed to know .
* defeats Brawly in a rematch, earning the .
Abandon Ship! 	
* and are revealed to have left Dewford Island by boat, headed for Slateport City and then for Mauville City.
* Ash and his friends reach Slateport City.
Now that's Flower Power! 	
* May's Beautifly is revealed to have learned .
* meets her first rival, Drew.
* May receives a Pokéblock Case from Mr. Big.
Having a Wailord of a Time 	
* 's first partner Pokémon is revealed to be his .
Win, Lose or Drew! 	
* enters the Slateport City Pokémon Contest, making her debut as a .
* Drew and enter the Slateport Contest as well.
* Drew defeats May in the first round of the Battle Stage, eliminating her of the competition.
* Robert defeats Drew in the finals, earning the Slateport Ribbon.
The Spheal of Approval 	
* Jessie's Seviper is revealed to know .
* and leave Slateport City and head towards Mauville City.
A Different Kind of Misty! 	
* and meet a named Thatcher.
A Poké-BLOCK Party! 	
* and reach Mauville City.
* and Max meet for the first time.
* Jessie's Seviper uses for the first time.
Watt's with Wattson? 	
* and arrive at the Mauville Gym and meet Wattson, the Mauville City Gym Leader, and his assistant, .
* Ash has a Gym with Wattson and wins flawlessly, due to his being overcharged from an earlier incident, earning the .
* Jessie's Dustox is revealed to know .
* Wattson an .
* Ash tries to return his Dynamo Badge, but Wattson tells him to keep it.
A Date With Delcatty 	
* meets again, while meets her for the first time.
What You Seed is What You Get 	
* and leave Mauville City and decide to head first to Fallarbor Town for 's next , and then to Lavaridge Town for Ash's next Gym .
* Ash's Treecko learns .
The Princess and the Togepi 	
* returns, with and Max meeting her for the first time.
Training Daze 	
* recalls how he met Jessie and James for the first time.
* Jessie, James and Meowth recall how they, Cassidy, and Butch went through training to become Team Rocket members.
A Togepi Mirage! 	
* 's learns and later evolves into .
* learns that Misty has obtained a .
* Misty's Gyarados is revealed to know .
* Misty Togetic in the Mirage Kingdom and returns to Cerulean City.
Journey to the Starting Line! 	
* Mimey is revealed to know .
I Feel Skitty! 	
* May's Torchic is revealed to know .
* a .
ZigZag Zangoose! 	
* and meet up with Nicholai again.
* Nicholai is revealed to have challenged Norman and lost.
* James's Cacnea is revealed to know .
* Jessie's Seviper is revealed to know .
Maxxed Out! 	
* May's Skitty is revealed to know .
Pros and Con Artists 	
* and arrive in Fallarbor Town and meet up with Drew again.
* Ash has a against Drew and loses.
* Drew is revealed to have earned three Ribbons already.
Come What May! 	
* , Jessie, and Drew compete in the Fallarbor Town Pokémon Contest.
* Jessie and Drew are eliminated in the semifinals.
* May wins the Fallarbor Contest and earns her first Ribbon.
Cheer Pressure 	
* and meet up with Thatcher again.
Game Winning Assist 	
* May's Skitty is revealed to know .
Fight for the Meteorite! 	
* Team Aqua and Team Magma again.
Poetry Commotion! 	
* and arrive in Lavaridge Town and meet Flannery, the local Gym Leader.
* One of Flannery's , Mag, evolves into .
Going, Going, Yawn 	
* battles Flannery and wins, earning the .
Going for a Spinda 	
* and decide to head to Petalburg City via Mauville City for Ash's next Gym .
All Torkoal, No Play 	
* catches a .
Manectric Charge 	
* and return to Mauville City while on their way to Petalburg City, and meet Wattson and again.
* Wattson's evolves into a .
* has a with Watt and wins.
* Ash's Torkoal is revealed to know .
* Ash has an unofficial rematch with Wattson and loses.
* May learns that a Pokémon Contest will be held in Verdanturf Town.
Delcatty Got Your Tongue 	
* May's Skitty learns .
Disaster of Disguise 	
* and arrive in Verdanturf Town and meet up with Drew again.
Disguise Da Limit 	
* May's Skitty masters .
* and Jessie participate in the , with May winning and earning her second Ribbon.
* and leave Verdanturf Town.
Take the Lombre Home 	
* 's evolves into .
True Blue Swablu 	
* offers a a place on her team, but decides against it when Swablu's flock shows up.
Exploud and Clear! 	
* 's evolves into and learns .
Putting the Air Back in Aerodactyl! 	
* is revealed to be working on Sayda Island as a Fossil Pokémon researcher.
* Gary meets Butch and Cassidy for the first time.
* Gary's is revealed to have evolved into a .
A Double Dilemma 	
* and arrive in Petalburg City.
Love, Petalburg Style! 	
* meets Norman and Caroline for the first time.
* prepares for his Gym with Norman.
Balance of Power 	
* Ash's Pikachu is revealed to have as his Ability.
* Ash's Grovyle is revealed to have as its Ability.
* has his Gym match with Norman and wins, earning him the .
A Six Pack Attack! 	
* learns that the next Gym is located in Fortree City and decides to head there.
* and Max meet in person for the first time.
The Bicker the Better 	
* learns about Tag Battles and has his first official battle of that kind, along with .
Grass Hysteria! 	
* catches a .
Hokey Poké Balls! 	
* temporarily brings his from Professor Oak's Laboratory to meet May's Bulbasaur.
A Fan with a Plan! 	
* and arrive in Rubello Town and meet up with Drew again.
* decides to enter the upcoming R1 Rubello Town Pokémon Contest.
* Drew is revealed to own a .
* May's Bulbasaur is revealed to know .
Cruisin' for a Losin' 	
* and Drew enter the R1 Rubello Town Pokémon Contest.
* May's Beautifly is revealed to know .
* Drew wins the Rubello Contest and earns his fourth Ribbon.
Pearls are a Spoink's Best Friend 	
* and encounter a wandering .
* Jessie buys a disguised as a from the Magikarp salesman, but eventually loses it after the disguise comes off.
* Ash and his friends meet the Magikarp salesman for the first time.
* Ash's Torkoal is revealed to know .
That's Just Swellow 	
* , , and James participate in the Crossgate PokéRinger.
* Ash's evolves into .
* Ash wins the Crossgate PokéRinger, while James places second.
A Shroomish Skirmish 	
* 's evolves into and learns and .
Unfair Weather Friends 	
* and encounter Brodie of Team Magma.
Who's Flying Now? 	
* and arrive in Fortree City.
* Ash meets Winona, the Gym Leader, and challenges her to a Gym .
* James purchases what he believes to be a from the Magikarp salesman.
* James's "Chimecho" is revealed to be a disguised , which escapes before he can attempt to it.
* James catches a real .
Sky High Gym Battle! 	
* has his Gym battle with Winona and wins, earning the .
Lights, Camerupt, Action! 	
* learns that the next Gym is located in Mossdeep City, and decides to head there via Lilycove City.
Crazy as a Lunatone 	
* and from the Pokémon Mystery Club return, with and Max meeting them for the first time.
A Scare to Remember! 	
* Ash's Pikachu, during a bout of amnesia, temporarily joins .
Pokéblock, Stock and Berry 	
* and arrive in Lilycove City.
* Ash and his friends learn how Pokéblocks are made.
* Ash starts teaching to use .
* and Jessie enter the Lilycove City Pokémon Contest.
Lessons in Lilycove 	
* James's Chimecho is revealed to know and uses for the first time.
* Ash's Swellow learns .
* wins the , earning her third Ribbon.
Judgment Day! 	
* and leave Lilycove City and head to Mossdeep City.
Clamperl of Wisdom 	
* and encounter the again.
Luvdisc is a Many Splendored Thing! 	
* and are both revealed to have obtained a Luvdisc each.
The Evolutionary War 	
* and meet up with Professor Birch again.
The Search for the Legend 	
* Butch is revealed to own a , while Cassidy is revealed to own a .
Training Wrecks 	
* , , and get lost at sea after Team Rocket's attempt to steal .
Gaining Groudon 	
* While lost at sea, and are held captive by Team Magma.
* Ash and his friends meet Maxie, the leader of Team Magma.
* Team Magma is revealed to have captured while Team Aqua has captured .
* Shelly frees Kyogre from Team Magma's captivity, allowing Archie to take control of it with the Red Orb.
* Ash's Pikachu accidentally absorbs the Blue Orb into his body.
* Ash meets up with again.
The Scuffle of Legends 	
* meets again, with and Max meeting him for the first time.
* Archie temporarily bonds with the Red Orb, but later loses possession of it when it is separated from him.
* is freed from Team Aqua's captivity by .
* Pikachu loses possession of the Blue Orb after it is separated from his body.
* The Red and Blue Orbs are destroyed.
* Groudon and retreat back into their sleeping grounds.
* Team Magma and Team Aqua's attempts to change the world are ended.
It's Still Rocket Roll to Me! 	
* and arrive in Mossdeep City and meet Tate and Liza, the Gym Leaders.
* Ash challenges Tate and Liza to a Gym , which is revealed to be a Double Battle.
Solid as a Solrock 	
* Ash's Swellow is revealed to know .
* defeats Tate and Liza in a Gym , earning the .
Vanity Affair 	
* and meet Drake, a member of the Hoenn Elite Four.
* Ash has a with Drake and loses.
Where's Armaldo? 	
* May's Bulbasaur learns .
A Cacturne for the Worse 	
* meets Harley, a fellow Pokémon Coordinator and her latest rival.
* and arrive in Purika City on Izabe Island.
* May and Harley enter the Purika and May wins, earning her fourth Ribbon.
Claydol Big and Tall 	
* tries and fails to catch a .
Once in a Mawile 	
* 's evolves into by using Samantha's Water Stone and learns .
Let it Snow, Let it Snow, Let it Snorunt 	
* a .
Do I Hear a Ralts? 	
* Max befriends a , which he promises to return to when he begins his Pokémon journey.
The Great Eight Fate! 	
* and arrive in Sootopolis City and meet Juan, the Gym Leader.
* Ash challenges Juan to a Gym , which is revealed to be a Double Battle followed by a Single Battle.
* Ash wins the Double Battle against Juan and begins the Single Battle against him.
Eight Ain't Enough 	
* wins his Gym against Juan and earns the , qualifying him for the Hoenn League.
* Ash learns that the Hoenn League will start in three months in Ever Grande City.
* learns that a Pokémon Contest will be held in Pacifidlog Town.
Who, What, When, Where, Wynaut? 	
* and meet up with Drew again.
* Drew is revealed to have obtained his fifth Ribbon, thus qualifying him for the Grand Festival.
* learns that there is only one Pokémon Contest remaining before the Hoenn Grand Festival, and that the event itself will start in six weeks.
* May has a with Drew, which gets interrupted by .
Date Expectations 	
* Ash's Snorunt is revealed to know , but has not mastered it.
Mean With Envy 	
* and arrive in Pacifidlog Town.
* and Jessie enter the Pacifidlog and advance to the Contest Battles.
* starts to use properly.
* May learns that the Hoenn Grand Festival will start in a month.
Pacifidlog Jam 	
* wins the and earns her fifth Ribbon, securing her a place in the Hoenn Grand Festival.
Berry, Berry Interesting 	
* and head to Slateport City for the Hoenn Grand Festival.
* catches a .
Less is Morrison 	
* meets Morrison, a new friend and rival for the Hoenn League.
The Ribbon Cup Caper 	
* Team Magma and Team Aqua are revealed to have been disbanded.
* and encounter Brodie again.
* Ash and his friends reach Slateport City.
Hi Ho Silver Wind! 	
* Harley and are revealed to have five Ribbons each.
* Drew and Harley meet each other for the first time.
* , Drew, Harley, and Robert enter the Hoenn Grand Festival and get past the first round.
Deceit and Assist 	
* Harley is revealed to own a .
* May's Skitty reveals via that knows .
* , Drew, Harley, and advance to the Battle Stage of the Hoenn Grand Festival.
* May starts her battle with Harley in the first round of the Battle Stage.
Rhapsody in Drew 	
* wins her battle against Harley and advances to the second round of the Battle Stage.
* is revealed to own a .
* 's evolves into and masters .
* May defeats and advances to the quarterfinals.
* Drew also advances to the quarterfinals.
* Drew is revealed to have obtained a .
* Drew defeats May in the quarterfinals and advances to the semifinals.
* Drew defeats his opponent in the semifinals and advances to the finals.
* Robert defeats Drew in the finals, winning the Hoenn Grand Festival.
* Robert receives the Ribbon Cup and becomes a Top Coordinator.
Island Time 	
* and leave Slateport City and head to Ever Grande City.
Like a Meowth to a Flame 	
* arrives in Ever Grande City and registers for the Ever Grande Conference.
* Ash meets , a new rival.
* Ash decides to use only his current party Pokémon in the tournament instead of using any of his Pokémon at Oak's.
Saved by the Beldum 	
* Morrison is revealed to have earned his eighth Badge and own a , a , a , a , and a .
* The Ever Grande Conference begins.
* Morrison's evolves into .
* Morrison defeats , making it through the preliminary round.
* defeats Vivica, making it through the preliminary round.
* defeats , making it through the preliminary round.
From Brags to Riches 	
* Morrison defeats Gavin in a Double Battle, advancing to the next round.
* defeats Dominick in a Double Battle, advancing to the next round.
* also wins his Double Battle, advancing to the next round.
Shocks and Bonds 	
* , Morrison, and are revealed to have made it to the third qualifying round.
* Ash defeats Clark in a Double Battle, advancing to the Victory Tournament.
* Morrison also defeats his opponent, advancing to the Victory Tournament.
* Tyson defeats Johnny in a Double Battle, advancing to the Victory Tournament.
* Tyson is revealed to own a and a .
* Ash begins his Full Battle against .
A Judgment Brawl 	
* continues his Full Battle with and wins, advancing to the .
* Morrison and also advance to the eighth-finals.
* Ash begins his Full Battle with Morrison.
Choose It or Loose It! 	
* continues his Full Battle against Morrison and wins, advancing to the .
* also advances to the quarterfinals.
* Tyson is revealed to own a and a .
* Ash begins his Full Battle with Tyson.
At the End of the Fray 	
* continues his Full Battle against in the quarterfinals and ultimately loses, finishing in the Top 8.
* Tyson moves on to the semifinals and wins, advancing to the final round.
* Tyson defeats his opponent in the finals and wins the Ever Grande Conference.
* The Ever Grande Conference ends.
The Scheme Team 	
* , , , and Max go their separate ways.
* and the Viridian Gym are revealed to have been rebuilt.
* Ash meets Scott, who tells him about the .
* Ash meets Agatha of the Kanto Elite Four, who is revealed to be filling in as the Viridian Gym Leader until the new Gym Leader arrives.
* Ash battles Agatha at the Viridian Gym and loses.
* Ash decides to challenge the Battle Frontier.
* Ash returns home and meets up with .
* Misty is revealed to have obtained an , which she hatched from an she received from .
** In the process, Tracey's Marill is revealed to have produced an Egg.
* Max arrives in Pallet Town with Professor Birch.
The Right Place and the Right Mime 	
* arrives in Pallet Town and rejoins and Max.
* May and Max meet and for the first time.
* and Tracey meet Professor Birch for the first time.
* Ash tells about the .
* May is revealed to be planning to enter Pokémon Contests in Kanto.
* Ash, May, and Max decide to travel together through Kanto.
* May reveals she left and at the Petalburg Gym.
* Ash's Snorlax is revealed to know .
* Misty's Azurill is revealed to know .
* May receives a from and agrees to leave with him at his lab.
* Ash leaves his and at Professor Oak's lab.
* Professor Oak gives Ash and May a new Pokédex each, while Max has his PokéNav updated.
* Ash learns that the first Battle Frontier facility is the , located near Cerulean City.
* Ash's Phanpy rejoins his team.
* returns from Pewter City and rejoins the group.
* Ash, May, Brock, and Max begin their through Kanto, accompanied by Misty.
A Real Cleffa-Hanger 	
* is revealed to have left his at home with his mother and .
* Misty's Azurill is revealed to know and .
* May's Munchlax is revealed to know .
* leaves 's to return to the Cerulean Gym.
===Kanto ()===
Episode 	Details
Lucario and the Mystery of Mew 	
* is revealed to be capable of using Aura.
Numero Uno Articuno 	
* , Max, and meet Scott for the first time.
* and arrive at the and meet Noland, the first Frontier Brain.
* Ash's Charizard returns from the Charicific Valley.
* Ash and Charizard prepare to face off against Noland and .
The Symbol Life 	
* Ash's Charizard is revealed to have learned and .
* and Charizard battle and defeat Noland and , earning Ash his first Frontier Symbol, the Knowledge Symbol.
* Ash receives the from Noland.
* Ash learns that the next facility is the Battle Arena, and decides to head there.
* Charizard returns to the Charicific Valley.
Hooked on Onix 	
* May's Squirtle is revealed to know .
* Ash's Phanpy is revealed to know .
On Cloud Arcanine 	
* and meet up with Drew again.
* Drew is revealed to have earned his first Kanto Ribbon.
* attempts to an , but decides against it later.
* May's Squirtle is revealed to know and .
* May learns that a Pokémon Contest will be held in Saffron City.
The Saffron Con 	
* and arrive in Saffron City and meet up with Harley.
* Harley is revealed to have obtained an .
* May's Squirtle learns .
* and Jessie each obtain a Kanto Contest Pass, allowing them to compete in Kanto Pokémon Contests.
A Hurdle for Squirtle 	
* , Jessie, and Harley compete in the Saffron City Pokémon Contest.
* May wins the Saffron Contest, earning her first Kanto Ribbon.
Pasta La Vista 	
* and leave Saffron City.
Sweet Baby James! 	
* and Max learn that James comes from a rich family.
* James leaves with Nanny and Pop-Pop to continue recovering from a fever.
* James catches a
A Chip Off the Old Brock 	
* 's evolves into and learns .
Wheel...of Frontier! 	
* temporarily returns his back to his team from 's .
* Ash and arrive at the Battle Arena and meet Arena Tycoon Greta, the second Frontier Brain.
* Ash's Snorlax is revealed to have learned and .
* Ash battles Greta and wins, earning the Guts Symbol.
* Ash learns the next facility is the Battle Dome, located south of Lavender Town.
May's Egg-cellent Adventure! 	
* May's Munchlax learns and uses for the first time.
* Ash's Pikachu learns .
* receives a Pokémon Egg from Christopher and Jeannie.
The Mastermind of Mirage Pokémon 	
* Misty's Staryu is revealed to know .
* is revealed to own a .
Weekend Warrior 	
* enters the Pokémon Contest and wins, earning her second Kanto Ribbon.
On Olden Pond 	
* May's Squirtle learns .
Tactic Theatrics!! 	
* and arrive at the Battle Dome and meet Dome Ace Tucker, the third Frontier Brain.
* Ash s Tucker and wins, earning the Tactics Symbol.
Reversing the Charges 	
* learns that the next facility is the Battle Pike near Fuchsia City.
* Ash's evolves into and learns .
The Green Guardian 	
* Ash's Pikachu masters .
* and meet Solana and learn about s.
From Cradle to Save 	
* catches a .
Time Warp Heals All Wounds 	
* 's hatches into an .
Queen of the Serpentine! 	
* and arrive at the Battle Pike and meet Pike Queen Lucy, the fourth Frontier Brain.
* Ash battles Lucy and wins, earning the Luck Symbol.
* Ash learns that the next facility, the Battle Palace, is on Metallica Island near Seafoam Islands.
Off the Unbeaten Path 	
* , , Jessie, and James all enter the Pokémon Orienteering competition.
* James wins the competition and receives the Pokémon Teamwork Medal.
* learns the next Pokémon Contest will be held in Wisteria Town.
Harley Rides Again 	
* and arrive in Wisteria Town and meet up with Harley again.
* and Harley enter the Wisteria Town Pokémon Contest.
* Harley is revealed to have earned three Kanto Ribbons and own an .
* May's Munchlax is revealed to know .
* Harley defeats May in the final round, earning the Wisteria Ribbon, his fourth Kanto Ribbon.
** In the process, May suffers her first loss in the Kanto region, as well as her first loss to Harley.
* May learns from Lilian that the next Pokémon Contest will be held on Chrysanthemum Island.
* May receives an invitation for the Chrysanthemum Contest from someone she suspects to be Drew.
Odd Pokémon Out! 	
* 's evolves into a .
* The shock of 's rejection causes Sceptile to become unable to use any moves.
Spontaneous Combusken! 	
* and arrive in Chrysanthemum Island and meet up with Drew again.
* It is revealed that 's invitation was sent by Brianna rather than Drew.
* May and Jessie enter the Chrysanthemum .
* James's Mime Jr. is revealed to know and .
* May's Combusken learns .
* May wins the Chrysanthemum Contest, earning her third Kanto Ribbon.
Cutting the Ties that Bind! 	
* May's Eevee is revealed to know .
* and meet Palace Maven Spenser, the fifth Frontier Brain.
* Ash's Sceptile regains its ability to use moves.
Ka Boom with a View! 	
* and arrive at the Battle Palace.
* Ash temporarily adds his back to his team from 's .
* Ash's Sceptile learns .
* Ash battles Spenser and wins, earning the Spirits Symbol.
King and Queen for a Day! 	
* 's next match is revealed to be at the near Cremini Town.
* James's Mime Jr. is revealed to know .
* Brock's Bonsly is revealed to know .
Curbing the Crimson Tide! 	
* Ash's Sceptile is revealed to know .
* May's Squirtle is revealed to know .
* learns that a Pokémon Contest will be held in Gardenia Town.
What I Did for Love! 	
* and arrive in Gardenia Town.
* May's Eevee learns and is revealed to know .
* obtains a Kanto Contest Pass and enters a Pokémon Contest for the first time.
* enters the Gardenia Town Pokémon Contest along with Brock.
* Brock's Marshtomp is revealed to have learned and Tackle.
* May defeats Brock in the finals, winning the Gardenia Contest and earning her fourth Kanto Ribbon.
Talking a Good Game! 	
* and arrive at the and meet Anabel, the sixth Frontier Brain.
* Ash adds one of his from Professor Oak's Laboratory to his team for the duration of his Battle Tower challenge.
* Ash s Anabel, but loses the match, resulting in his first loss.
Second Time's the Charm! 	
* Ash's Tauros is revealed to know .
* has a rematch against Anabel and wins, winning himself the Ability Symbol.
* The final facility, the Battle Pyramid, is revealed to be located near Pewter City for now.
Pokémon Ranger - Deoxys' Crisis! (Part 1)	
* and meet up with Solana again and encounter the Mythical Pokémon .
Pokémon Ranger - Deoxys' Crisis! (Part 2)	
* May's Combusken is revealed to know .
All That Glitters is Not Golden! 	
* tries to catch a , but fails due to it already having a .
* learns that a Pokémon Contest will be held in Mulberry City.
New Plot, Odd Lot! 	
* and arrive in Mulberry City and meet up with Harley again.
* Harley is revealed to have won his fifth Kanto Ribbon already, qualifying him for the Kanto Grand Festival.
* Harley and form an alliance in order to ensure loses her next Pokémon Contest.
* Harley loans his and to Jessie.
* May and Jessie enter the Mulberry Contest and advance to the Battle Stage.
Going for Choke! 	
* wins the , earning her fifth Kanto Ribbon and securing her a place in the Kanto Grand Festival.
* learns that the Kanto Grand Festival will be held at Indigo Plateau.
* Harley takes and back from Jessie.
* Drew is revealed to have earned four more Kanto Ribbons, thus bringing his total to five and qualifying him for the Kanto Grand Festival.
The Ole' Berate and Switch! 	
* temporarily breaks up, and Jessie and James temporarily join with Butch and Cassidy, respectively.
* and Max meet Butch and Cassidy for the first time.
Grating Spaces! 	
* and arrive at Pewter City.
* and Max meet Brock's family while Ash meets Brock's mother, Lola, for the first time.
* 's is revealed to have evolved into and learned and .
* Jessie and James receive a and an , respectively, from the . The Pokémon are later taken away by to be delivered to Cassidy and Butch.
* Brock's Geodude is revealed to have learned and .
Battling the Enemy Within! 	
* and arrive at the Battle Pyramid and meet , the seventh and final Frontier Brain.
* Ash is possessed by the evil spirit of the King of Pokélantis, which comes from a stone sphere sealed in the Ancient Ruins.
* Brandon agrees to the King of Pokélantis in order to save Ash.
* Ash's Sceptile faces Brandon's Regirock in an unofficial battle and loses.
* Brandon promises Ash an official battle, but it will not be for some time because he has business elsewhere.
* Ash sees for the third time, while , , and Max see it for the first time.
Slaking Kong! 	
* befriends an who starts following .
May, we Harley Drew'd Ya! 	
* and arrive at the Indigo Plateau, site of the Kanto Grand Festival.
* Ash, , and Max meet Solidad, a from Pewter City and an acquaintance of , Drew, and Harley.
* Solidad, Drew, Harley, and May advance from the preliminaries to the first round of the Kanto Grand Festival.
* Ash discovers that the he met previously is following the group when she steals his again.
* Drew is revealed to have obtained an .
Thinning the Hoard! 	
* fails to the that has been following .
* Aipom develops an interest in Pokémon Contests.
* , Drew, Harley, and Solidad advance to the Contest Battles of the Kanto Grand Festival.
* Harley is revealed to own a .
* May defeats Harley and advances to the quarterfinals.
* Drew and Solidad defeat their opponents and advance to the quarterfinals.
* May starts her battle with Drew in the quarterfinals.
Channeling the Battle Zone! 	
* wins her battle against Drew in the quarterfinals.
* May's Combusken learns .
* The that has been following is revealed to know and .
* Ash finally Aipom.
* Solidad is revealed to own a and a .
* Solidad defeats May in the semifinals.
* Solidad wins the Kanto Grand Festival, earning the Ribbon Cup and the title of Top Coordinator.
* Ash learns that the Battle Pyramid is in Fennel Valley for now.
Aipom and Circumstance! 	
* Ash's Aipom is revealed to know .
Overjoyed! 	
* and arrive in Fennel Valley and meet again.
* Brandon is revealed to own a .
* Ash sends his to 's in exchange for his , which is revealed to have learned .
* Ash's Torkoal faces Brandon's Registeel in an official , but is defeated.
* Brandon leaves the Battle Pyramid to a Pokémon on his own.
The Unbeatable Lightness of Seeing! 	
* May's Beautifly and return from Petalburg City.
* Beautifly is revealed to have learned .
* receives a postcard informing him of the Sinnoh region from , and a fishing lure from .
* Drew is revealed to own a .
* has a practice Contest Battle against Drew and loses.
* Drew and Harley announce that they, along with Solidad, are heading to Johto to participate in Pokémon Contests there.
Pinch Healing! 	
* is revealed to have added back to his team and sent back to Professor Oak's Laboratory.
* is revealed to have found the Pokémon he left to search for, being ready for a rematch with Ash.
Gathering The Gang of Four! 	
* Ash's Bulbasaur is sent over by from Professor Oak's Laboratory.
* Ash's Squirtle returns from the Squirtle Squad and is revealed to have learned .
* Ash's Charizard returns from the Charicific Valley and is revealed to have learned .
* meets again, and is allowed to have a rematch with him.
* Scott explains that those who successfully defeat the enter the Hall of Fame and become Frontier Brain candidates.
* Scott is revealed to own the Battle Frontier.
* Ash and Brandon begin their rematch.
* Brandon is revealed to own a .
Pace - The Final Frontier! 	
* is revealed to own a and a , and to have a , the Pokémon he left search for earlier.
* continues his rematch against Brandon and wins, earning the Brave Symbol and entering the Hall of Fame.
* Scott offers Ash a position as a Frontier Brain, but Ash turns it down, though the offer remains open.
* Ash's Bulbasaur, , and return to Professor Oak's Laboratory, the Charicific Valley, and the Squirtle Squad, respectively.
Once More with Reeling! 	
* and arrive in Terracotta Town.
* Ash and learn about the unofficial Terracotta and decide to enter, with Ash competing in a Pokémon Contest for the first time.
* Ash and May both pass the Appeals Round and enter the final round.
* May's evolves into , learns , and is revealed to have as its Ability.
Home is Where the Start Is! 	
* and tie in the final round of the unofficial and decide to split the in half.
* May announces her decision to go to the Johto region alone.
* May and Max return to Petalburg City, while returns to Pewter City.
* Ash encounters , who is revealed to have obtained an .
* Ash returns to Pallet Town and challenges Gary to a battle, but loses.
* Gary returns to Sinnoh to continue his research.
* Ash receives a new Pokédex from .
* Ash decides to go to Sinnoh, leaving behind except .
* Ash's Aipom stows away on the ship Ash and Pikachu are riding, following them to Sinnoh.
==Related articles==
* Timeline of events in Pokémon the Series
** The Beginning
** Gold and Silver
** Diamond and Pearl
** Black & White
** XY
** Sun & Moon
** Journeys
* Timeline of events in Pokémon Horizons: The Series
Category:Pokémon animated series
Category:Lists