Actress Sarah Michelle Gellar revealed on The Tonight Show Starring Jimmy Fallon that country music icon Dolly Parton was a secret producer on the hit series Buffy The Vampire Slayer. Gellar mentioned that Parton was an uncredited producer who made the cast feel special by giving them personalized Christmas gifts. Gellar also made a connection between Parton and the show, as Parton's production company, Sandollar Productions, had a stake in the franchise. Gellar disclosed details about her new supernatural teen drama series, Wolf Pack, which premiered on Paramount+.