I’ve always been impressed by the mouth-syncing in this one. Not that it’s crazy hard with Bert & Ernie — their mouths just flap open and shut, so there’s no, like, phoneme-matching — but there is the issue of timing, and it’s done well here. Dude musta watched a /lot/ of Bert & Ernie.
It always sounds to me like he’s shouting “Apple juice!” at the beginning.
When I read "good mouth syncing" and "apple juice" in this post, it made me think of — oh wait, it’s right there in your next post