'Agatha All Along' review: Kathryn Hahn conjures up pure, witchy fun

Agatha All Along feels like a witch's potion brewed specifically to make me giddy with joy. How could it not, when its ingredients include magical trials, rocking songs, and Patti LuPone herself?The MCU's latest TV series serves as a follow-up to 2021's WandaVision, focusing on Wanda Maximoff's (Elizabeth Olsen) nosey neighbor turned witchy nemesis Agatha Harkness (Kathryn Hahn), and taking its name from her Emmy-winning introductory theme song.Yet even though Agatha All Along finds itself in su