The gang come across Spoink again only for it to lose its pearl in the deep ocean.
The gang come across a treasure hunter who is seeking the cargo ship that had sunk sometime ago for its treasure.
The gang come across 3 islands where a group of kids are arguing about whether Gorebyss or Huntail is better.
The gang come across a group of people who use tough methods in order to keep trainers fit as the gang become involved.
After being blasted into the sea at the end of the last episode, Ash and co. are still drifting, with the boat that was to take them to Mossdeep long gone and no land in sight. The gang are overjoyed when a sub rises nearby, but once after sneaking aboard their joy turns to fear when they realise that the sub belongs to Team Magma which is on their main HQ and despite trying to hide, the gang are spotted by Team Magma's leader, Maxie. Under arrest, Maxie tells the group about Team Magma's ambition to increase the amount of land on Earth by awaking the legendary Pokemon Groudon, and in order to help with this Team Magma have already captured Groudon's nemesis Kyogre as well as the Blue Orb that controls it, which they plan to swap with Team Aqua for the Red Orb. Meanwhile, Tactical Commander Shelly of Team Aqua is also aboard the base and sets about releasing Kyogre, but when the huge Pokemon gets free it begins to tear up the place, causing the Blue Orb to fuse with Pikachu making it super-powered. While Ash and Pikachu are separated from Brock, May and Max, Lance arrives to help with the situation but things get worse when Archie and Team Aqua turn up...
The gang arrive in Mossdeep city and meet the gym leaders but Team Rocket plan to hijack the next rocket launch.
Ash has his next gym battle which is a double battle using Swellow and Pikachu against Lunatone and Solrock.
Ash has a battle against another trainer which manages to impress Drake of the Elite 4 who challenges him to a battle.
Max spots a Cradily but the rest of the gang don't believe him so he heads off to prove he was right.
May prepares for her next contest and meets Harley but ends up insulting him as he seeks to ruin May's chances of wining the next contest.
Team Rocket end up releasing a giant Claydol which goes on a rampage as the gang try to recapture it in the stone Pokéball.
The gang come across a Mawile who ends up falling in love with Brock's Lombre.
The gang come across a man who in the past was able to witness a mass evolution of Trapinch and wants to find that spot once again.
A village is being struck by disaster and the villagers suspect that an Absol is responsible but the gang have their doubts.
Ash goes to the pokemon center and sees a new pokemon. A Snorunt. It captures Ash's badges and runs off into the forest! Can Ash get his badges back and capture the Snorunt?
The gang come across a Ralts and realise it is seriously ill and Max makes the determined effort to take it to a Poké center.
Arriving for Ash's next gym battle, Juan accepts his challenge but makes the challenge different to others.
Ash's battle for his eighth and final badge continues against Juan with Juan down 2 and Ash down Snorunt.
The gang encounter a Linoone who likes to steal round objects which includes two of May's Pokéballs.
An attack by Team Rocket leaves them and the gang stranded on Mirage Island inhabited by Wynaut.
On the way to Pacifidlog Island, the boat breaks down and Ash and friends must cross Donto Island to get to the port on the other side, or its curtains for May's Grand Festival Challenge!
May arrives in Pacifidlog town for the next ribbon and meets fellow competitors Erika and Joshua.
The race is on for May to win her next ribbon against Erika and Joshua with this being the final contest before the Grand Festival.
The gang come across a Munchlax who likes to eat a lot and gets the blame for when Team Rocket steals a lot of Pokéblocks.
The gang come across another trainer looking to enter the Hoenn league with his Beldum but he is lacking the final badge needed.
The gang are heading to the Grand Festival on a ship but Brodie steals the Ribbon Cup and without it, the festival can't go ahead.
The gang arrive for the Grand Festival where May prepares to enter but Drew and Harley are there competing as well.
May advances further into the Grand Festival.
May must face Drew in the Grand Festival, a battle that has been going on since they met, and a battle that will soon be over. And while May battles Drew, Ash continues to train Snorunt...
Team Rocket tricks the gang onto their plane which makes an emergency landing on an island after it runs out of fuel.
The gang arrive at the Hoenn league where Ash meets a fellow competitor Tyson and his Meowth.
Morrison arrives just in time to enter the Hoenn league as the matches get underway but Beldum has a problem.
The Hoenn league competition continues with Ash, Morrison and Tyson continuing to progress despite tough competition.
The Hoenn League Finals begin.
Ash's battle against Katie continues but he is down three Pokémon which makes it hard to win.
Despite Morrison's hesitations, he pulls himself round in his battle against Ash making it a tough match.
Ash's battle against Tyson continues and they are both down one Pokémon as they compete for a place in the next round.
When Ash, May, Max and Brock go there seperate ways, Ash heads through Veridian City and meets Scott, the owner of the Battle Frontier. While there in Veridian, Ash challenges Agatha to a battle at the gym for fun.
The whole gang are reunited at Professor Oak's lab and meet all of Ash's Pokémon but Team Rocket launches an attack.
The gang along with Misty travel through Mt. Moon on their way to Ash's first Frontier battle but an attack from Team Rocket separates Max and Misty from the others.
On their way to the battle factory, the gang notice an Articuno and notice that it is with Factory Head Noland.
Ash and Charizard battle Noland and Articuno for the Knowledge Symbol.
The gang are having lunch in an area inhabited by rock types who aren't too happy at their presence.
Ash meets a new friend whose daughter's birthday is tomorrow. She said she wants a Jigglypuff and they find one. Can Ash and the gang catch the Jigglypuff?
Preparing for her first contest, May spots an Arcanine that she is keen to catch only to discover Drew is also trying to catch it.
The gang come across a Psyduck who belongs to a rich girl but Psyduck is enjoying its life of luxury.
The gang come across two sisters who run a café but are competing to be the best one.
The gang come across a Caterpie who after eating too many rare candies ends up a lot bigger causing trouble for the town.
May prepares to enter the Saffron competition only to encounter Harley who claims to have reformed.
May enters the Saffron competition and uses Squirtle in its first contest but Harley proves hard to beat.
Two members of a dojo enlist the help of Ash and May and lend them their Pokémon to battle against each other.