March 26, 1972 • 55m
Episode 1 of Season 4 premiered on March 26, 1972
April 2, 1972 • 54m
Episode 2 of Season 4 premiered on April 2, 1972
April 9, 1972 • 57m
Episode 3 of Season 4 premiered on April 9, 1972
April 16, 1972 • 55m
Episode 4 of Season 4 premiered on April 16, 1972
April 23, 1972 • 58m
Episode 5 of Season 4 premiered on April 23, 1972