Smashing. Love what you've done here. Really creative and the lip-sync, while fairly simple, is timed/keyed well to the lyrics. Good choice of music as well.
Credit goes to Grimmy23 for figuring out some of these items but imma see if I can't take a whack at this and help fill out some:
Scene 1: unsure
Scene 2: Hey Arnold!
Scene 3: unsure
Scene 4: Foster's Home for Imaginary Friends
Scene 5: unsure
Scene 6: unsure
Scene 7: Phineas & Ferb
Scene 8: Chowder
Scene 9: Rick & Morty
Scene 10: unsure
Scene 11: Powerpuff Girls
Scene 12: Hard to pinpoint- Oblongs?
Scene 13: The Flintstones or The Jetsons idk
Scene 14: unsure
Scene 15: SpongeBob SquarePants
Scene 16: unsure
Wonder if anyone else can figure it out :)
Keep at it,
-CO