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: Radio Sunnydale – Music from the TV Series Buffy the Vampire Slayer: Radio Sunnydale – Music from the TV Series Buffy the Vampire Slayer: Radio Sunnydale – Music from the TV Series is the second "Buffy the Vampire Slayer" soundtrack album, following on from "". "Radio Sunnydale" concentrates on "Buffy"'s fifth to seventh seasons, though a few tracks from earlier seasons (like Christophe Beck's score cut on the UK version, from season three's "The Zeppo") are also included. It was released to coincide with the end of the show, in autumn 2003. Perhaps the most striking aspect of the album is that two drastically different versions were produced,