Sezon 4
Bölümler
1 One Law, Part 1: One Law for the Poor 28 Oca 1976 2 One Law, Part 2: Another for the Rich 4 Şub 1976 3 One Law, Part 3: Which Prohibits Them Equally from Stealing Bread 11 Şub 1976 4 Into the Unknown, Part 1: The Visitor 18 Şub 1976 5 Into the Unknown, Part 2: The Father-Ship 25 Şub 1976 6 Into the Unknown, Part 3: The Tunnel 3 Mar 1976 7 Into the Unknown, Part 4: The Circle 10 Mar 1976