In a surprise twist, Agatha Harkness is working as a police detective after the events of 'WandaVision,' but it's the case looking into Wanda's fate herself -- and a helping nudge from Aubrey Plaza -- that leads to Kathryn Hahn's deliciously evil witch deciding to rewrite her own destiny. 'Agatha All Along' sees her forming her own coven as she decides to walk the "witch's road." Hahn and Plaza will joined by Sasheer Zamata, Paul Adelstein, Patti Lupone and more when Disney+ kicks off the series with a two-episode premiere on September 18.