In a preview clip of the episode, the rocker finds out that his DNA does not match any men with the last name Hagar, meaning that genetically, that is not his last name. “Get out of here. This is nutty as anything I’ve ever imagined,” Hagar said, before confirming that he did want to find out what his real biological surname is.
After discovering that his DNA matches 27 men with the last name Belcher, Hagar was blown away. “What a trip,” he said, visibly shocked.
PBS’ Finding Your Roots is hosted by educator Henry Louis Gates Jr., and features DNA diagnosticians analyzing genetic code, tracing bloodlines and occasionally debunking beliefs. The series also shows celebrities as they look through their ancestral histories, discover secrets and share their reactions with viewers. Over the course of 10 seasons, the show has featured everyone from Samuel L Jackson, LL Cool J, Questlove and Cyndi Lauper to Barbara Walters, Ben Affleck, Angela Bassett, Scarlett Johansson and more.
Hagar’s episode will also feature Ed O’Neill. The full episode will air on Tuesday (Jan. 23) at 8 p.m. ET on PBS. Watch the preview clip exclusively via Billboard below.