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 is reuniting with a recent co-star on the hotly-anticipated Buffy reboot. The protagonist of the beloved vampire slayer series is reprising the role of Buffy Summers in Hulu's reboot pilot directed by Eternals ' Chloé Zhao.