Spoilers ahead for WandaVision episode 7! In , "Breaking the Fourth Wall," viewers were treated to a catchy tune explaining how everyone’s favorite neighbor Agnes was behind everything happening in the Hex and is really the witch Agatha Harkness. But was it really Agatha all along? What is her endgame? And just who the heck is "Pietro" anyway? Dan’s venturing into the spooky basement to break down the latest on what exactly Agatha could be up to on today’s episode of Nerdist News.

Want more WandaVision? Nerdist has you covered.

Everything you missed in WandaVision episode 7: https://bit.ly/2ZzuXAs

Agatha's mysterious book explained: https://bit.ly/2NUVXb6

Monica Rambeau's superpowers explained: https://bit.ly/3kdjNKW