Buffy the Vampire Slayer turns 20 today.
The hit TV show first aired in the US on this day back in 1997.
It followed the life of student Buffy Summers, played by Sarah Michelle Gellar, who tried to balance a life of fighting demons along with the typical teenage dilemmas.
Some of the cast have paid tribute to the show, which ran for a full seven seasons.
Fans of the show have also been celebrating the show's birthday: