Ash's Charizard/History/Best Wishes series/Decolore Islands

In A Pokémon of a Different Color!, Charizard and Iris's Dragonite set off to search for Clair's Dragonite, who had been separated from Clair on an island in the Decolore Archipelago. After Iris's Dragonite found Clair's, Charizard brought the group over to them, only to find the pair squabbling. Although Charizard attempted to stop the fighting, the two Dragonite knocked it away. Later on, Charizard continued to unsuccessfully act as a peacemaker. Ash eventually thanked it for trying and returned Charizard to its Poké Ball.

In Best Wishes Until We Meet Again!, Charizard, along with all of Ash's Pokémon, was stolen by Team Rocket. Later, after recovering all of their Pokémon, Ash used Charizard to attack Jessie's Frillish, who was using on Ash and company. Charizard easily defeated Frillish with Wing Attack and scorched James's Amoonguss with a super-effective Flamethrower. Charizard, alongside Pikachu,, and , subsequently sent Team Rocket blasting off.

Charizard was reunited with all of Ash's Unova Pokémon at Professor Oak's Laboratory in The Dream Continues!. It joined the others in a group attack on Team Rocket with its Flamethrower to send them blasting off for the last time in the Best Wishes series. Charizard was left at the lab before Ash set off for the Kalos region. It later posed with the rest of Ash's Pokémon in a group photo with him.