Pokémon Shipwreck

S1, E16: After an ambush by Team Rocket aboard the St. Anne cruise ship, a powerful storm blew in, forcing everyone except the villains and our heroes to abandon the sinking ship! Luckily, Ash was able to reverse a previous trade and get his Butterfree back before the boat went down, but now our heroes are forced to team up with their long-standing enemies in order to survive this submerged and sticky situation!