Yin Yang Yo!
Shadows and Light / The Truth Hurts
S1 E24:
Shadows and Light: Yin and Yang get promoted to "Woo Foo Knights In a Little Less Training," just in time to face their first real defeat at the hands of Brother Herman! / The Truth Hurts: Saranoia hatches her creepiest plan ever - pretending to be a popular girl of Yin's age to convince her to ditch her brother and Lena and join with her. Will the promise of popularity be the thing that finally gets Yin to turn?