Sarah Michelle Gellar was annoyed doing `Buffy the Vampire Slayer`, says Alyson Hannigan

Washington: Alyson Hannigan has revealed that Sarah Michelle Gellar had become tired of being on the popular series- ` Buffy the Vampire Slayer `.

Hannigan, who played sidekick-turned-witch Willow Rosenberg, was revealing behind-the-scenes secrets about the show on `Bravo`s Watch What Happens Live` on Wednesday, Us Magazine reported. When asked who according to her was most annoyed to be on the series by the end of the show`s run, the 39-year-old quickly replied, "Sarah". She clarified that Gellar "had a big career going" and that "it was a lot of work". But in another segment of the show, the `American Pie` actress revealed that Gellar, 36, grew tired of the show much sooner than that. When asked in which season Gellar officially started to hate doing Buffy, Hannigan answered, `three`. ANI