As of July 2026, The Avengers Season 3 aired in 1963 with 26 episodes — streaming now on Amazon Prime Video. Full episode guide and where to watch below.

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The Avengers Season 3

1963 26 Episodes Action & Adventure · Crime ⭐ 8/10

If you want science fiction that respects its own premise, The Avengers Season 3 is available on and right now. Across 1 season, the show has had time to find its rhythm and keep it. 151 viewers have already rated it on TMDB — the kind of consensus that does not happen by accident. Patrick Macnee sets the tone, and the world-building does the rest. Start it whenever you need something guaranteed to land.

Part of the current wave of titles people are actually watching, The Avengers Season 3 earns its spot. The Avengers Season 3 uses its genre premise as cover for asking bigger questions. Season 3 of The Avengers includes 26 episodes. It aired from September 1963 to March 1964. This season stars Patrick Macnee and Honor Blackman. Patrick Macnee and Honor Blackman lead a cast that brings real weight to the material. It was aired in 1963. What separates The Avengers Season 3 from lesser genre entertainment is a willingness to let the concept cost the characters something. The consistency throughout is what elevates it — not every moment is the best, but none of them are a reason to stop watching.

For late-night viewing or a proper weekend binge, The Avengers Season 3 fits the bill. If you have run out of similar titles to watch, this is a strong next pick. The complete run is available and best experienced without too much prior knowledge of where it goes. Patrick Macnee anchors it with a performance that makes the more abstract moments feel personal. If you have been burned by ambitious sci-fi before, this is the exception.

📡 Where to Watch The Avengers Season 3

🇺🇸 United States

Amazon Prime Video

Peacock Premium

Amazon Prime Video with Ads

Peacock Premium Plus

🇬🇧 United Kingdom

STUDIOCANAL PRESENTS Apple TV Channel

Studiocanal Presents Amazon Channel

🇨🇦 Canada

Amazon Prime Video

Amazon Prime Video with Ads

🎬 The Avengers Season 3 — Episode Guide

Brief for Murder

Thanks to the clever briefing of the Lakin brothers a man charged with treason is found not guilty. Mrs Gale believes that Steed is implicated, and contacts the newspapers. Steed threatens her: either withdraw her allegations or pay the consequences. Soon Steed is on trial for Gale's murder.

The Undertakers

All the occupants of a rest home, Adelphi Park, are multi-millionaires. And most of them are refusing to see anyone, including Professor Renter who was due to fly to America with Steed to show off his latest invention. His wife is unable or unwilling to help and, curiously, the neighbour, Madden, ...

Man with Two Shadows

Agent Borowski has been brainwashed by the enemy, but between moments of multiple-personality disorder he tells Steed that three 'doubles' have been created. Steed tracks down one likely replacement to a holiday camp, but then discovers that he, himself, is about to be replaced.

The Director of Operations (Disco) of the Nutshell, a subterranean World War III bunker, tells Steed and Cathy that Big Ben, a file giving details of all their double agents, has been copied. Security cameras point to a young girl, but she is later found dead. Evidence implicates Steed, and Disco ...

Death of a Batman

At the reading of the will of Wrightson, Steed's former batman, the man's family are shocked to discover his estate is worth a fortune. Steed and Cathy set out to find out where a twenty pounds per week draughtsman acquired such a huge amount of money, and whether it was legal.

Michael Dyter, the newly elected MP for South-East Anglia is shot shortly after making his acceptance speech in which he had threatened to expose a major scandal involving the government. Steed knows that the subject of this was the recent theft of a nuclear warhead near London. So was Dyter kille...

The Gilded Cage

Steed's trap for criminal mastermind J.P. Spaggs involves a brilliant plan to steal a million pounds in gold bullion. But when two detectives arrive at Steed's flat and arrest Cathy for Spagge's murder things don't seem to be going to plan.

The cornea grafts that will, hopefully, restore the sight of blind millionaire Marten Halvarssen fascinate Steed: they're rumoured to be coming from a live patient, one Hilda Brauer. Steed suspects that all is not what it seems and so sends Cathy to Switzerland to oversee the operation.

The Medicine Men

Willis-Sopwoth, a top pharmaceutical firm, is being drained by cheap imitations of its products in foreign markets. The death of a member of staff while investigating the fraud brings Steed and Cathy face to face with a deadly artist and a plot to poison children.

The Grandeur That Was Rome

Strange diseases are being reported in various parts of the world, and Steed's suspicion is that somebody has been tampering with the insecticides and fertilisers of United Foods and Dressings. Cathy Gale is captured whilst investigating, and will be the 'guinea pig' for a test on the new strain of...

The Golden Fleece

Steed and Cathy eat at a Chinese restaurant, but, as ever, it's not just for fun: Steed suspects the owner, Mr Lo, of gold smuggling. He also seems to be allied with Army types who are smuggling ammunition to support ex-servicemen.

Don't Look Behind You

Invited to spend the weekend at the home of medievel costume expert Sir Cavalier Resagne, Cathy finds herself alone in the house, pestered by a young man who claims to be a film director, and haunted by her past. And where is Steed?

Death "à la carte"

Emir Abdulla Akaba is visiting London for his annual medical, and Steed suspects an assassination attempt. Despite Steed assumming the guise of a chef, the Emir seems to have been poisoned while eating a meal.

Dressed to Kill

An incoming missile attack, which is detected by all but one of the country's early warning stations, proves to be a false alarm. Steed finds himself attending an exclusive New Year's Eve fancy-dress party on a train. The train terminates at a remote, deserted station, and a guest is killed with a...

The White Elephant

The disappearance of an albino elephant from Noah Marshall's zoo seems to be linked to Steed's investigation of ivory dust in a gun shop. Steed sets out to rescue Cathy from the tiger's cage, find Snowy and investigate the ivory smugglers.

The Little Wonders

Bibliotek are a criminal organisation who are fronted as a church. A coming 'Bible Class' will decide who runs Bibliotek. It could be Steed...

Six agents have died on an escape route through Hungary and Austria. Anderson, a friend of Steed's, has also gone missing. Steed finds his friend but is then accused of being a traitor and taken to a brainwashing unit in Scotland run by the Wringer.

After attending the funeral of an old friend in a lonely Cornish village cemetery, Steed discovers a plot to poison millionaires.

The Secrets Broker

One of Steed's colleagues has been murdered, and the subsequent investigation takes Cathy to a top-secret research establishment and Steed to a wine merchants.

Jockeys and stable hands are being trained in the use of firearms and poisons, so Steed delves deep in the murky world of horse racing.

🎭 Cast of The Avengers Season 3

Patrick Macnee

Honor Blackman

📋 All Seasons of The Avengers

Season 1 Season 2 Season 4 Season 5 Season 6

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