Pokemon Best Wishes! Season 2: Decolora Adventure - episode 7 - 05 Jun, 2013

When Team Rocket tries to ransack the group's cruise ship's food store, they are thwarted by a group of self-styled pirate Pokémon group made up of a Croconaw, an Octillery, an Azumarill, and a Ducklett, leaving Ash to try to get the food back. (Source: Wikipedia)