Writer(s): Robert Holmes

Director(s): Barry Letts

Producer(s): Barry Letts

Episodes: 4

Writer(s): Don Houghton

Director(s): Timothy Combe

Producer(s): Barry Letts

Episodes: 6

Writer(s): Bob Baker | Dave Martin

Director(s): Michael Ferguson

Producer(s): Barry Letts

Episodes: 4

Writer(s): Malcolm Hulke

Director(s): Michael Briant

Producer(s): Barry Letts

Episodes: 6

Writer(s): Robert Sloman | Barry Letts

Director(s): Christopher Barry

Producer(s): Barry Letts

Episodes: 5