Alyson Hannigan 1989, her first regular role on a TV series came when she was cast in the short-lived ABC sitcom "Free Spirit". As a teenager, Hannigan babysat for the children of her future "How I Met Your Mother" costar, Bob Saget. In 1997, Hannigan was cast to play Willow Rosenberg, Buffy Summers' best friend, on the television series "Buffy the Vampire Slayer". The show became a success, and Hannigan gained recognition, subsequently appearing in several films aimed at teenaged audiences, including "American Pie" (1999), "Boys and Girls" (2000), "American Pie 2" (2001), and "American Wedding" (2003). She also had a guest
Buffy the Vampire Slayer comics Horse Comics compiled select stories in comic books so that people could find them more easily. After the publication of these volumes, Buffy the Vampire Slayer Season Eight, Nine and Ten were released. Dark Horse Comics published many comic stories during the airing of the TV series. After the TV series came to an end, a new comic season was published by Joss Whedon, Buffy the Vampire Slayer Season Eight, as well as , a spin-off of this series. When Buffy the Vampire Slayer Season Eight was finished, Dark Horse Comics decided to publish a new comic season of Buffy.