First aired: Sep/29/1972

First aired: Oct/06/1972

First aired: Oct/13/1972

First aired: Oct/20/1972

First aired: Oct/27/1972

First aired: Nov/03/1972
Guest star: Phil Brown (Adam Markos), Paul Weston (Lintar)

First aired: Nov/10/1972

First aired: Nov/17/1972

First aired: Nov/24/1972

First aired: Dec/01/1972

First aired: Dec/08/1972
Guest star: Milos Kirek (Russian Delegate), Angus Lennie (Grodny)

First aired: Dec/15/1972

First aired: Dec/29/1972

First aired: Jan/05/1973

First aired: Jan/12/1973
Writer: Dennis Spooner
Guest star: Kenneth Watson (Insp. Jack Newman), Freddie Jones (Robard)

First aired: Jan/19/1973

First aired: Jan/26/1973
Director: Roy Ward Baker
Guest star: Carl Rigg (Howard's Henchman), Bob Anderson (Assassin)

First aired: Feb/02/1973
Writer: Jesse Lasky, Jr., Pat Lasky
Director: Don Chaffey

First aired: Feb/09/1973
Writer: Pat Lasky, Jesse Lasky, Jr.
Director: Jeremy Summers

First aired: Feb/16/1973

First aired: Feb/23/1973

First aired: Mar/02/1973

First aired: Mar/09/1973

First aired: Mar/16/1973

First aired: Mar/23/1973

First aired: Mar/30/1973
Writer: Jesse Lasky, Jr., Pat Lasky
Director: Michael Lindsay-hogg

First aired: Sep/21/1973

First aired: Sep/28/1973

First aired: Oct/05/1973
Guest star: Hugh Morton (Bishop), Ben Howard (Vincenzo), David Suchet (Leo), Gladys Spencer (Principessa Lilli)

First aired: Oct/12/1973

First aired: Oct/19/1973

First aired: Oct/26/1973
Guest star: Milton Johns (Conway), Cyril Luckham (Alec Weston), Clinton Greyn (David Cameron), Iain Cuthbertson (Wyatt), Mark Jones (Scudder), John Kane (Ludo Jones)

First aired: Nov/02/1973
Guest star: Paul McDowell (Bank Teller)

First aired: Nov/09/1973

First aired: Nov/16/1973
Guest star: Olaf Pooley (Commissioner Braun)

First aired: Nov/23/1973
Guest star: Stephen Greif (Policeman - at Cafe), Neil Hallett (Dr. Dove), Patrick Mower (Raphael Santana), Carl Forgione (Waiter)

First aired: Nov/30/1973
Guest star: Harry Fielder (Transit Van Driver)

First aired: Dec/07/1973

First aired: Dec/14/1973
Writer: Anthony Terpiloff
Director: Charles Crichton

First aired: Dec/21/1973

First aired: Dec/28/1973

First aired: Jan/04/1974

First aired: Jan/11/1974

First aired: Jan/18/1974

First aired: Jan/25/1974

First aired: Feb/01/1974

First aired: Feb/08/1974
Writer: Robert Banks Stewart
Director: Charles Crichton
Guest star: Joss Ackland (Arthur Gordon), Gwen Cherrell (Anne Gordon), Richard Hurndall (Judge Cronin), Sally James (Gordon's Secretary), Margaret John (Nurse)

First aired: Feb/15/1974
Writer: Tony Barwick
Director: John Hough
Guest star: Neville Barber (Attendant), Georgina Hale (Girl Passenger), Stanley Stewart (Police Inspector), Tom Bell (Shadbolt)

First aired: Feb/22/1974
Writer: Terry Nation
Director: Cyril Frankel
Guest star: Eartha Kitt (Carrie Blaine), Kate O'Mara (Sara Trent), John Law (Theatre Doctor), Kieron Moore (Mario Toza), Gretchen Franklin (Nelly Baxter), Jon Croft (Reporter), Bernard Kay (Philip Bentley)

First aired: Mar/01/1974
Writer: Tony Barwick
Director: David Tomblin
Guest star: Dinsdale Landen (Manning), George Pravda (Sneider), Robert Coleby (Anton)

First aired: Mar/08/1974
Writer: Trevor Preston
Director: Don Leaver
Guest star: Donald Hewlett (Chambers), Stuart Wilson (Smith), Alf Joint (Taxi Driver)

First aired: Mar/15/1974
Writer: Shane Rimmer
Director: Jeremy Summers
Guest star: Ron Pember (Workman), Christopher Neame (Bailey), Maurice O'Connell (Slater), Raymond Skipp (Barney), Eric Dodson (Doyle), Stanley Meadows (Birch), Peter Jeffrey (Police Inspector)