‘WandaVision’ spinoff ‘Agatha All Along’: What you need to know before you watch

• “WandaVision” spinoff “Agatha All Along” premieres on Disney+ with two episodes on Wednesday.
• The Marvel series stars Kathryn Hahn as a witch named Agatha Harkness.
• Business Insider previewed the first four episodes. Here’s what to remember before watching.

Marvel’s “WandaVision” spin-off series “Agatha All Along,” centered on Kathryn Hahn’s witch Agatha Harkness, has arrived just in time for spooky season.

Agatha, first introduced as a villain in the 2021 miniseries “WandaVision,” returns in her own series, which debuts on Disney+ Wednesday with two episodes. This time, she embarks on a journey down the Witches’ Road with a group of unlikely allies in hopes of regaining her powers.