Patty Duke turns 66 today. Her series, The Patty Duke Show, pioneered the concept of identical twin cousins on TV, paving the way for other pairs such as Samantha and Serena on Bewitched.
Can you tell whether it’s Patty or Cathy singing “I’m Henry VIII, I Am”? (It’s a trick question: It’s Patty pretending to be Cathy.)
Clip from the Patty Duke Show, “Partying is Such Sweet Sorrow” (1965)