The stars of America's favorite TV family sitcom let us test their knowledge of each other in The Late Show's backstage game, Pop Quiz! Watch to see how much Barry Williams, Maureen McCormick, Christopher Knight, Eve Plumb, Mike Lookinland and Susan Olsen have learned about each other in their decades of friendship.
Air Date: Sep 25, 2019
Weeknights at 11:35/10:35c