The Avengers: Season 4
The Avengers Season 4 continues the overarching saga across 26 episodes.
Season 4 Lore Primer
Key plot threads, lore context, and character stakes you need to remember before diving into this season.
- Picks up essential narrative continuity directly following the events of The Avengers Season 3.
- Character alliances, factions, and personal loyalties undergo significant shifts under escalating stakes.
- Addresses unresolved cliffhangers and thematic mysteries introduced during previous seasons.
- Establishes the primary seasonal conflict that drives serialized character arcs toward the finale.
Season overview
The Avengers Season 4 continues the overarching saga across 26 episodes.
Episode Guide
Season 4 Progress Shield
The Town of No Return
Oct 2, 1965
Four agents have vanished, looking for each other, in Little Bazeley-by-the-Sea. Steed and Emma go in for the man who went in for the man who.... and meet the odd local landlord,
The Gravediggers
Oct 9, 1965
Has the late Dr Marlow's proposed radar-jamming system been tested against British defences? If so, the dead scientist seems to be doing it from his grave. And what's the connect
The Cybernauts
Oct 16, 1965
A vastly strong, bullet-proof killer homes in on and destroys several electronics executives. Could it have something to do with Dr. Armstrong's automated work place? Or with the
Death at Bargain Prices
Oct 23, 1965
When an agent is killed in the lift of Pinter's Department store, Steed and Emma get involved with King Kane, a tycoon who lives in a penthouse above the store. Why is Professor P
Castle De'ath
Oct 30, 1965
Why have all the fish vanished from the Scottish coastline? Does it have anything to do with a dead frogman, found stretched as if on a rack? Steed and Emma think so, which is wh
The Master Minds
Nov 6, 1965
A government official, dresssed as one of the Horse-guards, helps in a raid on secret files and is wounded. Recovering, he remembers nothing. Is his crime anything to do with his
The Murder Market
Nov 13, 1965
What could an outbreak of motiveless murders have to do with the activities of a marriage bureau called Togetherness Inc.? Well, think of Hitchcock's 'Strangers On A Train' and yo
A Surfeit of H2O
Nov 20, 1965
A poacher drowns in a field during a freak storm, and Jonah, the village carpenter, starts building an ark. But Steed thinks it's all got more to do with the permanent cloud that
The Hour that Never Was
Nov 27, 1965
Following a motor crash, Steed and Emma explore the seemingly deserted RAF Hamelin, where they were heading for a party to celebrate the base's closure. Is this surreal landscape
Dial a Deadly Number
Dec 4, 1965
A series of sudden deaths in high finance leads Steed to dabble in shares while Emma investigates the makers of executive paging devices. Are companies being acquired through a si
Man-Eater of Surrey Green
Dec 11, 1965
Deaf botanist Alan Carter's fiancee walks away from their floral bliss under some strange influence, and is picked up by an entranced chauffeur. Has it got anything to do with th
Two's a Crowd
Dec 18, 1965
Colonel Psev, a mysterious and unseen foreign spy with a toy fixation, arrives in London to infiltrate a defence conference. His four aides bully Brodny, the ambassador, until he
Too Many Christmas Trees
Dec 25, 1965
Christmas. Steed is having bad, seemingly prophetic, dreams, involving festive themes and a dead agent. Can he find solace at a fancy-dress party in the country home of a Dickens
Silent Dust
Jan 1, 1966
The lack of martens in a pleasant stretch of English countryside alerts Steed to the possible release of a fertiliser that has failed, reducing a landscape to a wasteland. But why
Room Without a View
Jan 8, 1966
A brilliant scientist reappears at the house of his wife. Has he escaped from notorious Manchurian prison camp Ni-San? And why have so many missing people stayed at the Chessman
Small Game for Big Hunters
Jan 15, 1966
When a man is found under Shirenzai, the trance-like Kalayan voodoo, in the heart of Hertfordshire, Steed finds himself amidst the horror of the last days of empire. Are bandits l
The Girl From Auntie
Jan 22, 1966
Steed returns from holiday to find that a quite different Mrs. Peel is inhabiting his old friend's flat. With the aid of actress Georgie Price-Jones, he discovers that Art Incorp
The Thirteenth Hole
Jan 29, 1966
An agent is shot on the thirteenth hole of the Craigleigh golf club, so Steed and Emma join the club. Steed puts his limited skills to use in a murderous tournament, but Emma help
Quick-Quick Slow Death
Feb 5, 1966
An agent is run over disposing of the body of a man in a dinner suit, while he was pushing him along in a pram. This all has something to do with Terpsichorean Training Techniques
The Danger Makers
Feb 12, 1966
Several military figures have been killed in dangerous games of daring. Emma and Steed follow the trail to a secret society of military men with very dangerous aims.
A Touch of Brimstone
Feb 19, 1966
When a group of hoaxsters called the Hellfire Club mix murder with their mischief, Steed and Emma demonstrate a few tricks of their own. The whalebone corset, high laced boots and
What the Butler Saw
Feb 26, 1966
According to Steed's double-agent barber, one of three military men is a traitor. But which one? To find out, Steed becomes a butler, and Emma starts Operation Fascination to tra
The House That Jack Built
Mar 5, 1966
Emma inherits some property from her deceased Uncle Jack. The property is a very bizaarre house, and when Emma goes to inspect it, she finds herself trapped in a labyrinth of psyc
A Sense of History
Mar 12, 1966
A death by archery sends Steed and Emma undercover at St. Bodes Academy, where the arguments between staff and hip students, and between different theories of history, seem to have
How to Succeed... at Murder
Mar 19, 1966
When several top executives die, their secretaries take over their firms. Is it mere chance, or are women trying to take over the world? Steed employs a deadly secretary, and Emm
Honey for the Prince
Mar 26, 1966
Steed and Emma return from a party to find a dying agent in Steed's flat. What is the connection between honey, a firm which makes fantasies to order and the oil deal promised by