Pokemon Season 15 Episode 3 Lost at the Stamp Rally! Episode Title:Lost at the Stamp Rally!.Episode Description:After the Gym match, Cilan decides that he wants to back to the subway so he can challenge the Subway Masters Ingo and Emmet in a match by collecting enough stamps. Ash and Iris decide that they want to see the rest of Nimbasa City, so they take another subway train to explore. They go to see the sports arenas, having a tennis match, and then head off to see a Pokémon Musical, before spending time at the amusement park. Ash spots an Axew with a bow on her tail, and they take her with them upon realizing that it has lost its trainer. In the subway, Cilan meets up with a trainer named Erina who says she has lost her Axew. Ash and Iris go back to the trains, when the Axew runs off to someone who she thinks is her trainer, but it is another trainer whose Swadloon is not happy to see Axew. In the fray, Iris's Emolga uses Thundershock on everyone in the train car.