I love when the theme song of a show explains the premise to you before you even watch an episode. In the theme to The Patty Duke show, we learn about the relationship between Patty Lane (Patty Duke) and her "identical cousin" from Scotland (also played by Patty Duke) who comes to live with her. Where Cathy "loves a minuet, the Ballet Russe, and Crepes Suzette," Patty "loves to rock 'n' roll/a hot dog makes her lose control." Ummm, can we pause a minute to discuss the "identical cousin" business? WTF?!