Buffy: Vampire Slayer and Google Trailblazer

According to Charles Arthur in his book Digital Wars, the first use of to google on television appeared in Buffy.

On October 15, 2002, in the fourth episode of the show’s final season, the character Willow turns to the Buffy the vampire slayer and asks, “Have you googled her yet?”

Xander answers: “She’s 17!” 

Willow clarifies: “It’s a search engine.”