Pokemon Season 15 Episode 1 Enter Elesa, Electrifying Gym Leader! Episode Description: Ash has returned to Nimbasa City and is excited to finally have his Gym Battle to get his fourth badge. Shortly before wanting to walk towards the Gym, Bianca comes charging in and throws Ash, once again, in water. Ash wants to go into the Gym, but Bianca wants to battle first. Bianca talks about how the Gym Leader, Elesa, is a super model. They go to the Gym only to find out that she is in the middle of a fashion show and cannot battle at the moment. Bianca decides to take a look at the fashion show, and the others follow. They watch the show and Elesa notices Ash and his Pikachu.