Pokemon Season 5 - Episode 269 – Can’t Beat the Heat!

Continuing the Johto League, Ash pits Charizard against Gary's fully evolved starter... a Blastoise. Ash ultimately wins over Gary, and moves on to the Championship Round 2 (league round 4). He also enters into the quarter-finals and the Top 8 champions of the Johto League. Ash discovers his next battle is against his new-met rival Harrison!