We’re told it’s an improvised genealogy comedy called Family Tree, and it follows the efforts of one man — in this case, Bridesmaids star Chris O’Dowd — as he attempts to track down his real family.

Our spies tell us that Piddock and Guest want to do their half-hour show both largely improvised and commercial-free, à la Larry David’s Curb Your Enthusiasm, and so NBCUniversal International Television is shopping the project to various pay services like HBO, Showtime, and even Netflix.