Jessie's Frillish

Jessie's Frillish is the second Pokemon that Jessie obtained in the Unova Region. Jessie's Frillish debuts in "BW111", debuting with James' Amoonguss when Team Rocket attacked Ash and his friends for the first time since their "Operation Tempest" and temporary retreat back to Kanto. When Ash, Iris, and Cilan were helping a rookie trainer named Jeanette get her new Tepig some experience, Team Rocket came out of nowhere to capture Ash's Pikachu and Jeanette's Tepig, but got defeated by Ash's Unfezant.

Trivia

 * Jessie's Frillish is the second Ghost-type Pokemon owned by a main character, the first being James' Yamask.