01 - Wanna Buy A Television Series? 

Estréia (EUA): 15 de setembro de 1971.
Direção: Jeremy Summers.
Atores Convidados: David Bauer; James Donnelly; Anna Palk; James Warwick.

In an attempt to sell one of his stories to a television producer, Jason recounts a typical Mark Caine adventure.
  
(Episódio disponível em DVD - Zona 1)

02 - A Page Before Dying 

Estréia (EUA): 22 de setembro de 1971.
Direção: Jeremy Summers.
Atores Convidados: Madeline Hinde; Olaf Pooley; Richard Wyler.
 
After receiving an invitation to sell the film rights to one of his novels behind the Iron Curtain, Jason finds himself locked in a safe in East Berlin!
 
(Episódio disponível em DVD - Zona 1)

03 - Buried In The Cold, Cold Ground 

Estréia (EUA): 6 de outubro de 1971.
Direção: Jeremy Summers.
Atores Convidados: Michele Dotrice; Fredric Jaeger; Gary Raymond. 
 
Whilst holidaying in the South of France, Jason picks up a beautiful hitch-hiker, and discovers a Mark Caine-style mystery hidden within the pages of an old Bible. 
 
(Episódio disponível em DVD - Zona 1)

04 - A Deadly Line In Digits 

Estréia (EUA): 13 outubro de 1971.
Direção: Jeremy Summers.
Atores Convidados: Joanna Jones; Philip Stone; Jan Waters.
 
Jason is asked by the powers that be in Whitehall to pit his wits against computerised crime, and goes undercover as a Bulgarian master-cook. 
 
(Episódio disponível em DVD - Zona 1)

05 - Variations On a Theme 

Estréia (EUA): 20 de outubro de 1971.
Direção: Cyril Frankel.
Atores Convidados: Alexandra Bastedo; Ralph Bates; Julian Glover; Magda Konopka. 
 
During a trip to Vienna, Jason finds himself the bait in a trap to catch a double-agent. 
 
(Episódio disponível em DVD - Zona 1)

06 - As Easy As A.B.C. 

Estréia (EUA): 10 de novembro de 1971.
Direção: Jeremy Summers.
Atores Convidados: Michael Bates; Ayesha Brough; Nigel Green; Yutte Stensgaard. 
 
Two small-time crooks decide to turn fiction into fact by recreating crimes described in Jason's Mark Caine novels, which leaves Mr. King as the number-one suspect for the crimes! 
 
(Episódio disponível em DVD - Zona 1)

07 - To Russia With... Panache 

Estréia (EUA): 17 de novembro de 1971.
Direção: Paul Dickson.
Atores Convidados: Elizabeth Counsell; Pamela Salem; Jeffrey Wickham. 
 
Jason is spirited away to Moscow to help solve the mystery of three people who were seemingly turned to ashes during a trip in an elevator between the ground and sixth floors. 
 
(Episódio disponível em DVD - Zona 1)

08 - A Red, Red Rose Forever 

Estréia (EUA): 1 de dezembro de 1971.
Direção: Cyril Frankel.
Atores Convidados: Isla Blair; Alan McNaughton; Barbara Murray; Mike Pratt. 
 
Jason is mistaken as a hitman when he is left holding a bunch of roses at a Swiss airport after coming to the aid of a seriously ill man. To Jason's horror, the roses are soon to be exchanged for a rifle! 
 
(Episódio disponível em DVD - Zona 1)

09 - All That Glisters (Part One) 

Estréia (EUA): 8 de dezembro de 1971. 
Direção: Cyril Frankel.
Atores Convidados: Clinton Greyn; Lee Patterson; Anton Rodgers; Madeline Smith. 
 
A valuable, but stolen, Cellini statuette falls into the hands of millionaire playboy, Phillipe de Brion, but hot on his trail is adventurer John Mallen, who engages the help of his old friend Jason King to help his investigation. 
N.B. Working title: 'Catch In Gold'. 

10 - All That Glisters (Part Two) 

Estréia (EUA): 15 de dezembro de 1971. 
Direção: Cyril Frankel.
Atores Convidados: Clinton Greyn; Lee Patterson; Anton Rodgers; Madeline Smith. 
 
As the search for the missing Cellini moves from Paris to Rome, Jason learns to his peril that helping an old friend can be very dangerous indeed.

11 - Flamingos Only Fly On Tuesdays

Estréia (EUA): 29 de dezembro de 1971.
Direção:: Jeremy Summers.
Atores Convidados: Clifton Jones; Hugh McDermott; Hidergarde Neil; Siobhan Quinlan. 
 
Whilst taking a well-earned break on a Caribbean island, Jason is caught up in a revolution, and is mistaken for a gun-runner. 

12 - Toki

Estréia (EUA): 5 de janeiro de 1972.
Direção: Jeremy Summers.
Atores Convidados: David Buck: Felicity Kendal; Keiron Moore. 
 
Lacking inspiration to finish his latest novel, Jason decided to take a break in Paris, where he meets a beautiful girl in a cafe. Jason soon falls in love with her, but discovers that she already has a lover; gang-leader, Jean le Grand. 

13 - The Constance Missal 

Estréia (EUA): 12 de janeiro de 1972.
Direção: Jeremy Summers.
Atores Convidados: Janet Key; Charles Lloyd-Pack; Geraldine Moffat.

Jason falls under the hypnotic spell of two female crooks, who steal the only copy of his recently completed film script. For it's safe return, they instruct him to steal a historic manuscript which has just become the property of the British Museum. 

14 - Nadine 

Estréia (EUA): 2 de fevereiro de 1972.
Direção: Cyril Frankel.
Atores Convidados: Alfred Marks; Patrick Mower; Ingrid Pitt. 

Nadine is a woman who provides Jason with all the inspiration he needs for his new novel, but could she be using him for her own plot? 

15 - Uneasy Lies The Head 

Estréia (EUA): 19 de janeiro de 1972.
Direção: Cyril Frankel.
Atores Convidados: Sandor Eles; Juliet Harmer; Harold Kasket. 

Jason is surprised to receive a newspaper cutting of himself in Istanbul when he's confined to bed with a broken leg! Who is impersonating him, and why? 

16 - A Kiss For A Beautiful Killer 

Estréia (EUA): 9 de fevereiro de 1972.
Direção: Cyril Frankel.
Atores Convidados: Clifford Evans; Kate O'Mara; Alex Scott; Patrick Westwood. 
 
Jason becomes a pawn in a South American revolution when opposing factions believe that he might hold the key to victory that both sides are so desperately seeking. 

17 - If It's Got To Go, It's Got To Go 

Estréia (EUA): 16 de fevereiro de 1972.
Direção: Cyril Frankel.
Atores Convidados: Anna Brett; Jon Croft; John Le Mesurier; Yootha Joyce. 
 
Whilst on a trip to Munich, Jason discovers a beautiful young woman waiting for him in his hotel suite. When she persuades him to spend a few days at a health farm, he soon discovers it to be anything but healthy! 
Review of this episode

18 - A Thin Band Of Air 

Estréia (EUA): 3 de março de 1972.
Direção: Cyril Frankel.
Atores Convidados: John Hallem; Edina Ronay; Francisca Tu. 
 
A dead Russian, a pretty girl, and the kidnapping of a 10-year-old girl all spell trouble for the dapper Mr. King! 

19 - It's Too Bad About Auntie 

Estréia (EUA): 10 de março de 1972.
Direção: Jeremy Summers.
Atores Convidados: Alan Bickford; Sylvia Coleridge; Basil Henson; Fiona Lewis. 
 
Jason investigates an extraordinary case involving a stolen vacuum cleaner, a sweet old lady, and an innocent woman accused of murder.

20 - The Stones Of Venice 

Estréia (EUA): 17 de março de 1972.
Direção: Jeremy Summers. 
Atores Convidados: Roger Delgado; Anna Gael; John Ronane; William Squire. 
 
When arriving in Venice, Jason is bemused to discover that he is to be awarded a coveted prize for his novel 'The Stones of Venice' - a book he didn't write! He is even more surprised when two unknown assassins make an attempt on his life. 

21 - A Royal Flush 

Estréia (EUA): 24 de março de 1972.
Direção: Roy Ward Baker.
Atores Convidados: Penelope Horner; Inigo Jackson; Wolfe Morris. 
 
When a King becomes involved with a Princess, and that king just happens to be Jason, romance and crime become intertwined. 

22 - Every Picture Tells A Story 

Estréia (EUA): 31 de março de 1972.
Direção: Cyril Frankel. 
Atores Convidados: Clifford Evans; Neil McCallum; John A. Pinn; Kara Wilson. 
 
Jason arrives in Hong Kong and is flattered to find a Mark Caine comic strip in a local newspaper. However, further investigations reveal that the text has been changed somewhat in its translation from English into Chinese. 

23 - Chapter One: The Company I Keep 

Estréia (EUA): 7 de abril de 1972.
Direção: Cyril Frankel.
Atores Convidados: Stephanie Beacham; Ronald Radd; Toby Robins. 
 
Jason begins to believe he is clairvoyant when everything he dreams suddenly starts to come true! 

24 - Zenia 

Estréia (EUA): 14 de abril de 1972.
Direção: Roy Ward Baker.
Atores Convidados: Dave Carter; Michael Goodliffe; Zienia Merton. 
 
When Jason recognises a hired assassin on a plane, he deliberately walks into a trap to help rescue the kidnapped daughter of the president of the country he's visiting. 

25 - An Author In Search Of Two Characters 

Estréia (EUA): 21 de abril de 1972.
Direção: Cyril Frankel.
Atores Convidados: Liz Fraser; Roy Kinnear; Sue Lloyd. 
 
Jason is offered a vast fee to rewrite a film script for which he will be paid in cash. Unfortunately for Jason, two heavily disguised individuals decide to relieve him of his money.

26 - That's Not Me, It's Someone Else 

Estréia (EUA): 28 de abril de 1972.
Direção: Roy Ward Baker.
Atores Convidados: Michael Murcell; Toby Robins; Patrick Troughton. 
 
Jason goes into hiding when he is offered a proposal of marriage from a lady friend of his, but finds himself in even deeper trouble when he discovers that someone if impersonating him.