January 6, 1978 • 1h 20m
Episode 1 of Season 4 premiered on January 6, 1978
January 13, 1978 • 1h 17m
Episode 2 of Season 4 premiered on January 13, 1978
January 20, 1978 • 1h 14m
Episode 3 of Season 4 premiered on January 20, 1978
January 27, 1978 • 1h 19m
Episode 4 of Season 4 premiered on January 27, 1978
February 3, 1978 • 1h 21m
Episode 5 of Season 4 premiered on February 3, 1978
February 10, 1978 • 1h 22m
Episode 6 of Season 4 premiered on February 10, 1978
February 17, 1978 • 1h 20m
Episode 7 of Season 4 premiered on February 17, 1978
February 24, 1978 • 1h 13m
Episode 8 of Season 4 premiered on February 24, 1978
March 3, 1978 • 1h 18m
Episode 9 of Season 4 premiered on March 3, 1978
March 10, 1978 • 1h 15m
Episode 10 of Season 4 premiered on March 10, 1978
March 17, 1978 • 1h 19m
Episode 11 of Season 4 premiered on March 17, 1978
March 24, 1978 • 1h 17m
Episode 12 of Season 4 premiered on March 24, 1978
March 31, 1978 • 1h 17m
Episode 13 of Season 4 premiered on March 31, 1978
April 7, 1978 • 1h 14m
Episode 14 of Season 4 premiered on April 7, 1978
April 14, 1978 • 1h 17m
Episode 15 of Season 4 premiered on April 14, 1978
April 21, 1978 • 1h 16m
Episode 16 of Season 4 premiered on April 21, 1978
April 28, 1978 • 1h 19m
Episode 17 of Season 4 premiered on April 28, 1978
May 5, 1978 • 1h 17m
Episode 18 of Season 4 premiered on May 5, 1978
May 12, 1978
Episode 19 of Season 4 premiered on May 12, 1978
May 19, 1978 • 1h 14m
Episode 20 of Season 4 premiered on May 19, 1978
May 26, 1978 • 1h 17m
Episode 21 of Season 4 premiered on May 26, 1978
June 2, 1978 • 54m
Episode 22 of Season 4 premiered on June 2, 1978
June 9, 1978 • 1h 13m
Episode 23 of Season 4 premiered on June 9, 1978
June 16, 1978 • 1h 11m
Episode 24 of Season 4 premiered on June 16, 1978
June 23, 1978 • 1h 14m
Episode 25 of Season 4 premiered on June 23, 1978
June 30, 1978 • 1h 20m
Episode 26 of Season 4 premiered on June 30, 1978
July 7, 1978 • 1h 19m
Episode 27 of Season 4 premiered on July 7, 1978
July 14, 1978 • 1h 14m
Episode 28 of Season 4 premiered on July 14, 1978
July 21, 1978 • 1h 16m
Episode 29 of Season 4 premiered on July 21, 1978
July 28, 1978 • 1h 19m
Episode 30 of Season 4 premiered on July 28, 1978
September 8, 1978 • 1h 13m
Episode 31 of Season 4 premiered on September 8, 1978
September 15, 1978 • 1h 20m
Episode 32 of Season 4 premiered on September 15, 1978
September 22, 1978 • 1h 15m
Episode 33 of Season 4 premiered on September 22, 1978
September 29, 1978 • 1h 15m
Episode 34 of Season 4 premiered on September 29, 1978
October 6, 1978 • 1h 14m
Episode 35 of Season 4 premiered on October 6, 1978
October 13, 1978 • 1h 15m
Episode 36 of Season 4 premiered on October 13, 1978
October 27, 1978 • 1h 12m
Episode 37 of Season 4 premiered on October 27, 1978
November 3, 1978 • 1h 11m
Episode 38 of Season 4 premiered on November 3, 1978
November 10, 1978 • 1h 14m
Episode 39 of Season 4 premiered on November 10, 1978
November 17, 1978 • 1h 17m
Episode 40 of Season 4 premiered on November 17, 1978
November 24, 1978 • 1h 18m
Episode 41 of Season 4 premiered on November 24, 1978
December 1, 1978 • 1h 18m
Episode 42 of Season 4 premiered on December 1, 1978
December 8, 1978 • 1h 19m
Episode 43 of Season 4 premiered on December 8, 1978
December 15, 1978 • 1h 20m
Episode 44 of Season 4 premiered on December 15, 1978
December 22, 1978 • 1h
Episode 45 of Season 4 premiered on December 22, 1978
December 29, 1978 • 1h 15m
Episode 46 of Season 4 premiered on December 29, 1978