The Troop (2009)

S2E11 Eris Returns

Cecilia, a sister from the Eris Fairies (Daniella Monet), shows up and confuses Etienne for Felix, leading them to start dating. However, Cecilia's former boyfriend, Tod, emerges from the monster realm to reclaim her and eliminate Etienne. Meanwhile, Jake is gearing up the courage to invite Hayley to the dance.