January 8, 1971 • 25m
Episode 1 of Season 4 premiered on January 8, 1971
January 15, 1971 • 25m
Episode 2 of Season 4 premiered on January 15, 1971
January 22, 1971 • 25m
Episode 3 of Season 4 premiered on January 22, 1971
January 29, 1971 • 25m
Episode 4 of Season 4 premiered on January 29, 1971
February 5, 1971 • 25m
Episode 5 of Season 4 premiered on February 5, 1971
February 12, 1971 • 25m
Episode 6 of Season 4 premiered on February 12, 1971
February 19, 1971 • 25m
Episode 7 of Season 4 premiered on February 19, 1971