Episodes
S04 E01
Episode 1
January 18, 1980
• 60m
S04 E02
Episode 2
February 1, 1980
• 60m
S04 E03
Episode 3
March 14, 1980
• 60m
S04 E04
Episode 4
April 11, 1980
• 60m
S04 E05
Episode 5
May 9, 1980
• 60m
S04 E06
Episode 6
June 6, 1980
• 60m
S04 E07
Episode 7
9.0
July 4, 1980
• 60m
S04 E08
Episode 8
6.0
August 8, 1980
• 60m
S04 E09
Episode 9
August 29, 1980
• 60m
S04 E10
Episode 10
September 26, 1980
• 60m
S04 E11
Episode 11
October 24, 1980
• 60m
S04 E12
Episode 12
November 14, 1980
• 60m