Once in a Mawile - S8.E13

While on their journey across Izabe Island, Ash and his friends meet a girl named Samantha, who performs her ribbon dance in various towns, and her Mawile, who develops a crush on Brock's Lombre. In the next town, Team Rocket takes Mawile, but ends up taking Lombre by mistake. Now Ash and his friends must save Lombre and Samantha's show.