'Family Tree' follows a 30-year-old man named Tom Chadwick (Chris O'Dowd). When he inherits a box that belonged to his great aunt, he goes on a quest to find out the details surrounding his lineage and finds that there are a bunch of stories and people who are in his real family. As he investigates further, he uncovers a lot more than he thought he would and he comes closer to finding out more of the family he never knew.
Created by Christopher Guest and Jim Piddock, the series, a single-camera documentary-style show, also stars Carrie Aizley, Bob Balaban, Ed Begley, Jr., Maria Blasucci, Matt Griesser, Christopher Guest, Don Lake, Michael McKean, Lisa Palfrey, Jim Piddock, Kevin Pollak, Amy Seimetz, Meera Syal, Ashley Walters and Fred Willard.
On their last day in California, Bea, Monk and Pete hit the beach, while Tom, accompanied by Ally, meets Toms distant cousin Melvin Schmelff, whose grandfather was Tumbleweed Tim, a famous silent-movie cowboy star.