Christina Applegate Finds the Good in a Troubled Family History | Who Do You Think You Are

In this episode recap, actress Christina Applegate solves the mystery of her grandparents' estrangement and must give her father the heartbreaking news. | For more, visit http://www.tlc.com/tv-shows/who-do-yo... Catch WHO DO YOU THINK YOU ARE Wed July 23 at 9/8c!! Subscribe to TLC! | http://www.youtube.com/subscription_c... Watch full episodes! | http://bit.ly/WDYTYAFullEps