The official trailer for Agatha All Along was released on Saturday. The miniseries is a spin-off of Marvel's WandaVision (2021) and will see Kathryn Hahn reprise her role as Agatha Harkness. Agatha All Along will follow Harkness and Teen as they form a new coven of witches.

The series also stars Joe Locke, Sasheer Zamata, Ali Ahn, Maria Dizzia, Paul Adelstein, Miles Gutierrez-Riley, Okwui Okpokwasili, Debra Jo Rupp, Patti LuPone, and Aubrey Plaza. 

The first two episodes will premiere on September 18, while the rest of the nine episodes will be released weekly until November 6. Jac Schaeffer serves as showrunner and lead director for the series, which gets its name from the song Agatha All Along from WandaVision.

In Marvel Comics, Agatha Harkness debuted in Fantastic Four #94, released in 1969, created by Stan Lee and Jack Kirby. The series is part of Phase Five of the Marvel Cinematic Universe (MCU).