Season 4 - Episode Guide

Episode: 4x01 | Airdate: Sep 11, 1971

Episode: 4x02 | Airdate: Sep 18, 1971

Episode: 4x03 | Airdate: Oct 9, 1971

Episode: 4x04 | Airdate: Oct 23, 1971

Episode: 4x05 | Airdate: Nov 13, 1971

Episode: 4x06 | Airdate: Nov 27, 1971

Episode: 4x07 | Airdate: Dec 11, 1971

Episode: 4x08 | Airdate: Dec 25, 1971

Episode: 4x09 | Airdate: Jan 8, 1972

Episode: 4x10 | Airdate: Jan 22, 1972

Episode: 4x11 | Airdate: Feb 5, 1972

Episode: 4x12 | Airdate: Feb 19, 1972

Episode: 4x13 | Airdate: Mar 4, 1972

Episode: S04 Special | Airdate: Aug 22, 1971