Ein Herz und eine Seele is a German television sitcom based on the British sitcom Till Death Us Do Part by Johnny Speight. The show premiered on 15 January 1973 and lasted for 21 episodes, airing its last on 4 November 1974. In 1976 the show had a short-lived revival with another four episodes. Ein Herz und eine Seele was written by Wolfgang Menge.

Helga Feddersen was a German actress, comedian, singer, author, and theater director.