PS: Episode list
S1.E1 - Episode 1
Sunday, May 18, 1975
S1.E2 - Episode 2
Wednesday, May 21, 1975
S1.E3 - Episode 3
Sunday, May 25, 1975
S1.E4 - Episode 4
Thursday, May 29, 1975
S1.E5 - Episode 5
Sunday, June 13, 1976
S1.E6 - Episode 6
Tuesday, June 15, 1976
S1.E7 - Episode 7
Friday, June 18, 1976
S1.E8 - Episode 8
Tuesday, June 22, 1976
S2.E1 - Episode 1
Monday, October 16, 1978
S2.E2 - Episode 2
Monday, October 23, 1978
S2.E3 - Episode 3
Monday, October 30, 1978
S2.E4 - Episode 4
Monday, November 6, 1978
S3.E1 - Episode 1
Monday, February 26, 1979
S3.E2 - Episode 2
Monday, March 5, 1979
S3.E3 - Episode 3
Monday, March 12, 1979
S3.E4 - Episode 4
Monday, March 19, 1979