Season 4
episodes
1.Episode 1
Jan 26, 1977
2.Episode 2
Feb 2, 1977
3.Episode 3
Mar 2, 1977
4.Episode 4
Mar 30, 1977
5.Episode 5
Apr 13, 1977
6.Episode 6
Apr 27, 1977
7.Episode 7
May 22, 1977
8.Episode 8
May 27, 1977
9.Episode 9
Jun 8, 1977
10.Episode 10
Aug 14, 1977
11.Episode 11
Sep 20, 1977
12.Episode 12
Oct 4, 1977
13.Episode 13
Oct 18, 1977
14.Episode 14
Nov 1, 1977
15.Episode 15
Nov 14, 1977
16.Episode 16
Nov 15, 1977
17.Episode 17
Nov 29, 1977
18.Episode 18
Dec 13, 1977