Buffy the Vampire Slayer legend Sarah Michelle Gellar has been praised by a new co-star for turning up on set every day to act as an advisor for the series' lore. And yes, that includes describing exactly how people should look when they're bitten by a vampire.

Sarah Michelle Gellar has officially reprised her role as Buffy Summers in the Buffy the Vampire Slayer reboot. Check out the first look of the actress filming on set in Los Angeles.

The cast of Hulu's upcoming Buffy the Vampire Slayer reboot keeps growing, as The Studio star Chase Sui Wonders has now joined the production. The actor is reuniting with her I Know What You Did Last Summer co-star Sarah Michelle Gellar, who is returning as Buffy Summers over 20 years after the end of the popular show.