This one has a few more clips from other shows, but it's all Avatar in the end.
Footage:
Avatar
Gurren Lagann
Teen Titans
Transformers: Animated
Legend of Zelda: Wind Waker
Jojo's Bizarre Adventure
Audio:
Volvic Adverts
Starcraft
Hotel Mario
Zelda CDi
Pokemon
Family Guy (Kool-Aid Man)
Rocko's Modern Life
Super Mario Brothers
Sesame Street
Death Note - Dub