Along with a fresh episode of 'Game of Thrones' and a sneak peek of Steven Soderbergh's forthcoming Liberace biopic 'Behind the Candelabra,' HBO also gave us our first full trailer for acclaimed mockumentarian Christoger Guest's first ongoing TV series 'Family Tree.' The new series from the 'Best in Show' director features 'Girls' and 'This is 40' star Chris O'Dowd in the lead role, along with a number of Christopher Guest favorites, so check out the full trailer inside!

Among HBO's other offerings for the season, May 12 will see the release of 'Family Tree,' bringing out a plethora of familiar Guest faces as series lead Tom (O'Dowd) travels the world. Featuring Chris O’Dowd as recently unemployed and single 30-year-old Tom Chadwick, the series follows its lead as he attempts to uncover his lineage and track down his real family after his recently deceased, unknown great aunt leaves him a mysterious box.

Boasting such Guest alum as Don Lake, Fred Willard, Michael McKean and Ed Begley Jr., the series features a diverse cast that also includes Tom Bennett, Nina Conti, Carrie Aizley, Bob Balaban, Maria Blasucci, Matt Griesser, Lisa Palfrey, Jim Piddock (who also writes), Kevin Pollak, Amy Seimetz, Meera Syal and Ashley Walters.

The new series will premiere on HBO May 12, so check out the full trailer for ‘Family Tree’ below, and tell us in the comments if you’ll watch Christopher Guest’s new series!

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