Sarah Michelle Gellar on BUFFY Return (25 Years Later!) and Resurrecting Helen Shivers (Exclusive)

ET chats with Sarah Michelle Gellar on set of a new campaign with Campari, just after wrapping production on the ‘Buffy The Vampire Slayer' revival pilot! The star shares her excitement (and nerves) about returning to Sunnydale, and what fans can expect from this continuation of Buffy's story. Sarah also brought back another iconic character, Helen Shivers, in this summer's 'I Know What You Did Last Summer' sequel... via dream sequence! While on set, she and husband Freddie Prinze Jr. cheers'd with Campari Negronis, to celebrate their 23rd wedding anniversary.