Description: 10 years in the making, the PBS special takes a look at the nearly 70 year long career of Betty White with clips, behind-the-scenes footage and interviews from costars and friends such as Pamela Adlon, Valerie Bertinelli, Carol Burnett, Georgia Engel, Tina Fey, Valerie Harper, Jennifer Love Hewitt, Gavin MacLeod, Carl Reiner, Ryan Reynolds, Tom Sullivan, and Alex Trebek.