Hook, Line and Stinker

Ash and friends arrive at a lake where a competition called the Seaking Catching Competition is going to be held. The goal is to catch the biggest Seaking, and the winner gets the grand prize of a trophy and a year's supply of chocolate. Ash, Misty, and Brock decide to enter, and the competition becomes super important to Misty when a trainer with a Poliwrath insults her and her Poliwhirl and says she has no chance against him. She sets out to prove that she can beat him.