Pokemon: Season 14, Episode 50

Dazzling the Nimbasa Gym!

Ash finally gets his chance to battle Elesa for his fourth Unova Gym badge. Ash is confident in his line-up and believes the battle will be no problem. As expected, Elesa's Zebstrika takes center stage first. Using his trusted Palpitoad, Ash manages to take down the Pokémon that single-handedly took out all of Bianca's Pokémon. However, when Elesa defeats Palpitoad Ash is left rethinking his entire battle strategy.