Basculin was caught temporarily by Cilan during a fake fishing competition which Team Rocket created so that they could steal as many water type the participants could. Cilan battled it with his Pansage which had the type advantage a rough battle Cilan caught it and gave it to Team Rocket. When the Pokéballs fall into the water, a female Frillish released it to save all the Pokémon from Team Rocket.
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