Season 4 Episode Three: The Champ, Supergirl and Celebrity Memoirs

Season 4 Episode Three: The Champ, Supergirl, and celebrity memoirs - Chelle hosts this week's episode around the iconic '70s movie starring Jon Voight and Ricky Schroder - The Champ. The Helen Slater led Supergirl, and Hollywood memoirs. Can you guess the connection?