Season 4 First Look: NBC’s Who Do You Think You Are?

A look at Allison Janney, Zachary Levi, Nick Offerman, Billy Porter, Zachary Quinto and Bradley Whitford who will uncover their family stories. Season 4 of Who Do You Think You Are? premieres Sunday, July 10 at 7/6c on NBC, streaming next day on Peacock. » Subscribe for More: NBC ON SOCIAL: YouTube: Twitter: Facebook: Instagram: ABOUT WHO DO YOU THINK YOU ARE The Emmy Award-winning documentary series “Who Do You Think You Are?“ returns to celebrate all-new journeys of self-discovery, connection and diversity on NBC with 13 episodes. A new group of celebrities will celebrate culture and set sail on their mission to connect with their personal history. From Executive Producers Lisa Kudrow, Dan Bucatinsky and Ancestry, the global leader in family history and consumer genomics, the series returns to NBC at a time when ancestral and genealogica