Season 4

E1. Episode 1

Jan 7, 1978

E2. Episode 2

Jan 14, 1978

E3. Episode 3

Jan 28, 1978

E4. Episode 4

Feb 4, 1978

E5. Episode 5

Feb 11, 1978

E6. Episode 6

Feb 25, 1978

E7. Episode 7

Mar 4, 1978

E8. Episode 8

Mar 11, 1978

E9. Episode 9

Mar 18, 1978

E10. Episode 10

Mar 25, 1978

E11. Episode 11

Apr 1, 1978

E12. Episode 12

Apr 8, 1978

E13. Episode 13

Apr 15, 1978

E14. Episode 14

Apr 29, 1978

E15. Episode 15

May 6, 1978

E16. Episode 16

May 20, 1978

E17. Episode 17

May 27, 1978

E18. Episode 18

Jun 3, 1978

E19. Episode 19

Jun 10, 1978

E20. Episode 20

Jun 17, 1978

E21. Episode 21

Jul 1, 1978

E22. Episode 22

Jul 8, 1978

E23. Episode 23

Aug 12, 1978

E24. Episode 24

Sep 2, 1978

E25. Episode 25

Sep 9, 1978

E26. Episode 26

Sep 16, 1978

E27. Episode 27

Sep 23, 1978

E28. Episode 28

Oct 7, 1978

E29. Episode 29

Nov 11, 1978

E30. Episode 30

Nov 18, 1978