X-Men: Evolution Season 2 Episode 10
Overview
When Jean and Amara feel like the boys think they are stronger than the girls are, Tabitha decides that they should form a girl’s crime fighting club. After getting Kitty and Rogue to join, they begin to fight crime at night as the Bayville Sirens, while the rest of the town, as well as the rest of the X-men, try to figure out who they are.