Onwards to Hoenn we go. Brock is still a thing and instead of Forretress, has taken Onix with him, while having left the rest at his gym.
Ash has yet again kept his mons behind at Oaks (Which he will do in every region, so not mentioned again).
- Arrives in Littleroot Town. Bonds with a lonely Mudkip at Birch's lab. Despite it being meant for a new trainer, Birch allows it to go with Ash
- Meets up with Brock after their depature in Kanto
- Meets May and Max on route 101. The former is a rookie trainer with a Torchic, trying to capture a Wurmple. With Ash and Brocks help, she succeeds.
- Meets Norman and Caroline in Petalburg
- Norman tells them about a sickly boy called Wally. Ash and Brock help him catch a Ralts, so he can set off on his own adventure
- Petalburg woods he catches a Treecko.
- Defeats Roxanne with Mudkip and Treecko
- Going to Dewford.
- Ash gets defeated by Brawly
- Granite cave training with Brock and Aron capture
- Defeats Brawly. Mudkip evolves into Marshtomp
- Rival battle against Wally and Ralts on the shores of Dewford
- Training session with May. Treecko evolves
- Battle against Wattson in Mauvile. Gets one-shotted by Marshtomp.
- First encounter with Aqua and Magma grunts
- Desert Underpass storyline with them getting lost.
- Aron evolves into Lairon during that arc
- Flannery introduction and involvement
- Team Aqua and Magma encounter in Mt Chimney, who have chased the Torkoal away from the Jagged Pass into Mt Chimney
- Capture of a Torkoal in Mt Chimney. Ash wants to release it, but Torkoal wants to stay with him
- Battle against Flannery and win
- Battle against Wally and his Kirlia on Route 119. Marshtomp evolves into Swampert
- Weather Institute Arc. Ash sends Castform, who isn't officially owned by him, to Professor Oak, who can study it.
- Backtracking to Petalburg, where Ash defeats Norman in a 3v3 fight and Lairon evolves into Aggron after the battle
- Mr Briney and Peeko are being stalked by Team Rocket. The hero's help Mr Briney
- Battle in Fortree against Winona. Ash wins
- Some Magma and Aqua Stuff.
- Ash is being stuck in Shoal Cave. Gets help from a Snorunt finding the exit. Snorunt joins his team afterwards.
- Mossdeep battle vs Tate and Liza. Grovyle evolves into Sceptile
- Assault on the Mossdeep Space Center. Meeting with Steven Stone and his shiny Metagross. Tate and Liza also help
- Facing off against Juan and winning
- Groudon and Kyogre awakened. Some Gym leaders join in on the action (Brawly, Norman, Flannery) and so do Jessie, James, Meowth and Wallly. Arc spans five episodes, with Rayquaza coming in the final episode to calm Groudon and Kyogre down.
- Pokemon league. Ash reaches the Semi finals, where he faces off against Wally and gets defeated by him (Concluding Wallys arc, who has been on the receiving end). Snorunt has evolved during Ash's battle against Tysons Sceptile
- Battle Frontier. Cubone joins the team and evolves. Ash wins it.
Brock
- Onix evolves into Steelix during the Battle Frontier
- Still gets Ludicolo
- Bonds with one of Roxannes Nosepass and it starts to follow him. Joins his team later on.
May
- Wurmple evolves all the way into Beautifly
- Torchic evolves all the way into Blaziken
- Gets Altaria instead of Venusaur
- Skitty still a thing
- Eevee during Battle Frontier
- Gets a Slowpoke instead of Squirtle
Concluding the Hoenn saga, Sinnoh is next.
Ash has yet again kept his mons behind at Oaks (Which he will do in every region, so not mentioned again).
- Arrives in Littleroot Town. Bonds with a lonely Mudkip at Birch's lab. Despite it being meant for a new trainer, Birch allows it to go with Ash
- Meets up with Brock after their depature in Kanto
- Meets May and Max on route 101. The former is a rookie trainer with a Torchic, trying to capture a Wurmple. With Ash and Brocks help, she succeeds.
- Meets Norman and Caroline in Petalburg
- Norman tells them about a sickly boy called Wally. Ash and Brock help him catch a Ralts, so he can set off on his own adventure
- Petalburg woods he catches a Treecko.
- Defeats Roxanne with Mudkip and Treecko
- Going to Dewford.
- Ash gets defeated by Brawly
- Granite cave training with Brock and Aron capture
- Defeats Brawly. Mudkip evolves into Marshtomp
- Rival battle against Wally and Ralts on the shores of Dewford
- Training session with May. Treecko evolves
- Battle against Wattson in Mauvile. Gets one-shotted by Marshtomp.
- First encounter with Aqua and Magma grunts
- Desert Underpass storyline with them getting lost.
- Aron evolves into Lairon during that arc
- Flannery introduction and involvement
- Team Aqua and Magma encounter in Mt Chimney, who have chased the Torkoal away from the Jagged Pass into Mt Chimney
- Capture of a Torkoal in Mt Chimney. Ash wants to release it, but Torkoal wants to stay with him
- Battle against Flannery and win
- Battle against Wally and his Kirlia on Route 119. Marshtomp evolves into Swampert
- Weather Institute Arc. Ash sends Castform, who isn't officially owned by him, to Professor Oak, who can study it.
- Backtracking to Petalburg, where Ash defeats Norman in a 3v3 fight and Lairon evolves into Aggron after the battle
- Mr Briney and Peeko are being stalked by Team Rocket. The hero's help Mr Briney
- Battle in Fortree against Winona. Ash wins
- Some Magma and Aqua Stuff.
- Ash is being stuck in Shoal Cave. Gets help from a Snorunt finding the exit. Snorunt joins his team afterwards.
- Mossdeep battle vs Tate and Liza. Grovyle evolves into Sceptile
- Assault on the Mossdeep Space Center. Meeting with Steven Stone and his shiny Metagross. Tate and Liza also help
- Facing off against Juan and winning
- Groudon and Kyogre awakened. Some Gym leaders join in on the action (Brawly, Norman, Flannery) and so do Jessie, James, Meowth and Wallly. Arc spans five episodes, with Rayquaza coming in the final episode to calm Groudon and Kyogre down.
- Pokemon league. Ash reaches the Semi finals, where he faces off against Wally and gets defeated by him (Concluding Wallys arc, who has been on the receiving end). Snorunt has evolved during Ash's battle against Tysons Sceptile
- Battle Frontier. Cubone joins the team and evolves. Ash wins it.
Brock
- Onix evolves into Steelix during the Battle Frontier
- Still gets Ludicolo
- Bonds with one of Roxannes Nosepass and it starts to follow him. Joins his team later on.
May
- Wurmple evolves all the way into Beautifly
- Torchic evolves all the way into Blaziken
- Gets Altaria instead of Venusaur
- Skitty still a thing
- Eevee during Battle Frontier
- Gets a Slowpoke instead of Squirtle
Concluding the Hoenn saga, Sinnoh is next.