Marvel's Agatha Harkness, portrayed by Kathryn Hahn, is set to star in her own series 'Agatha All Along' on Disney+, which premieres on September 18 with the first two episodes. The show, a spin-off from 'WandaVision', follows Agatha's quest to regain her lost powers, accompanied by a group of witches on a journey known as the Witches' Road. Hahn describes the series as exploring deeper themes of personal growth and empowerment, showcasing the wisdom gained through age. The cast includes Aubrey Plaza, Joe Locke, and Patty LuPone, adding to the series' intrigue and dynamic. The release schedule for the series includes new episodes dropping weekly, culminating in a Halloween finale. The series aims to capture the charm of its predecessor while focusing on Agatha's character development.