All-New Halloween Spooktacular! - S1-E6
Trivia: When Pietro says he'll help the twins maximise their candy acquisition, one twin says "Kick-ass!" and Wanda repeats to herself "kick-ass." Both Aaron Taylor-Johnson, who played Pietro in Avengers: Age of Ultron, and Evan Peters, who plays "Pietro" in WandaVision and the recent X-Men films, both starred in Kick-Ass.
All-New Halloween Spooktacular! - S1-E6
Trivia: Pietro makes various hellish references which tie into fan theories that what's going on in Wandavision is the work of a demon, quite possibly Mephisto: "Unleash hell, demon-spawn" and "damn it, if Westview New Jersey isn't charming as hell."
Chosen answer: The living painting is taken straight from the Family Ties intro.
BaconIsMyBFF
Ah, that makes sense - I first saw this one on Youtube, which at a guess was the first season or an early version? https://www.youtube.com/watch?v=GPRdtO6UKD0. But yeah, this is exactly right: https://www.youtube.com/watch?v=ip1szfz9nZ8.
Jon Sandys