Cast: Tony Haygarth (Des Kinvig), Patsy Rowlands (Netta Kinvig), Colin Jeavons (Jim Piper), Prunella Gee (Miss Griffin), Betty Hardy (Mrs. Snell), Stephen Bent (Loon), Alan Bodenham (Bat), Danny Schiller (Sagga)
Written By: Nigel Kneale
Directed By: Les Chatfield & Brian Simmons
Ep: 2
Creature of the Xux
Cast: Tony Haygarth (Des Kinvig), Patsy Rowlands (Netta Kinvig), Colin Jeavons (Jim Piper), Prunella Gee (Miss Griffin), Patrick Newell (Mr. Horsley), Simon Williams (Buddo), Betty Hardy (Mrs. Snell), Jamie Foreman (Clerk), Doris Hall (Old Woman), Stephen Bent (Loon), Alan Bodenham (Bat), Danny Schiller (Sagga)
Written By: Nigel Kneale
Directed By: Les Chatfield
Ep: 3
Double, Double....
Cast: Tony Haygarth (Des Kinvig), Patsy Rowlands (Netta Kinvig), Colin Jeavons (Jim Piper), Prunella Gee (Miss Griffin), Stephen Bent (Loon), Alan Bodenham (Bat), Danny Schiller (Sagga), Jim Wiggins (Harry Huthwaite)
Written By: Nigel Kneale
Directed By: Les Chatfield
Ep: 4
The Big Benders
Cast: Tony Haygarth (Des Kinvig), Patsy Rowlands (Netta Kinvig), Colin Jeavons (Jim Piper), Prunella Gee (Miss Griffin), Patrick Newell (Mr. Horsley), Simon Williams (Buddo), Stephen Bent (Loon), Alan Bodenham (Bat), Danny Schiller (Sagga), Desmond McNamara (Charley), Shirley Stelfox (Mrs. Bird), Tracy Hyde (First Girl), Annie Hulley (Second Girl)
Written By: Nigel Kneale
Directed By: Les Chatfield
Ep: 5
Where Are You Miss Griffin?
Cast: Tony Haygarth (Des Kinvig), Patsy Rowlands (Netta Kinvig), Colin Jeavons (Jim Piper), Prunella Gee (Miss Griffin), Patrick Newell (Mr. Horsley), Simon Williams (Buddo), Donald McKillop (Howard), Robert Hamilton (Policeman), Stephen Bent (Loon), Alan Bodenham (Bat), Danny Schiller (Sagga)
Written By: Nigel Kneale
Directed By: Les Chatfield
Ep: 6
The Humanoid Factor
Cast: Tony Haygarth (Des Kinvig), Patsy Rowlands (Netta Kinvig), Colin Jeavons (Jim Piper), Prunella Gee (Miss Griffin), Patrick Newell (Mr. Horsley), Simon Williams (Buddo), Stephen Bent (Loon), Alan Bodenham (Bat), Danny Schiller (Sagga), Michael Maloney (Simon)
Written By: Nigel Kneale
Directed By: Les Chatfield
Ep: 7
The Mystery of Netta
Cast: Tony Haygarth (Des Kinvig), Patsy Rowlands (Netta Kinvig), Colin Jeavons (Jim Piper), Prunella Gee (Miss Griffin), Simon Williams (Buddo), David Savile (Anthony Jessop), Stephen Bent (Loon), Alan Bodenham (Bat), Danny Schiller (Sagga)