Support WBURIn A Cluster Of New Sitcoms, 'Family Tree' Stands TallPlay05:59Download AudioDavid BianculliMay 09, 2013 ShareIn the new HBO series Family Tree, Chris O'Dowd (above left, with the series' writer-director-producer Christopher Guest) stars as a guy who has just lost his job and girlfriend and fills the void by looking into his family genealogy. (HBO)