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The Best Episodes of The Avengers Season 3

Every episode of The Avengers Season 3 ranked from best to worst. Discover the Best Episodes of The Avengers Season 3!

Binge this in 21h 10m•Peaking at 7.8/10

A quirky spy show of the adventures of eccentrically suave British Agent John Steed and his predominantly female partners. Jonathan Steed - an urbane, proper gentleman spy - teams with various assistants throughout the series'

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Episode Rankings

  1. #1 Fan Favorite
    The Avengers Season 3 Episode 1 - Brief for Murder
    7.8/10(198 votes)

    #1 - Brief for Murder

    S3:E1

    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.

    Director:Peter Hammond
    Writer:Brian Clemens

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  2. The Avengers Season 3 Episode 2 - The Undertakers
    7.2/10(166 votes)

    #2 - The Undertakers

    S3:E2

    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, another millionaire, is missing.

    Director:Bill Bain
    Writer:Malcolm Hulke

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  3. The Avengers Season 3 Episode 3 - Man with Two Shadows
    7.6/10(169 votes)

    #3 - Man with Two Shadows

    S3:E3

    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.

    Director:Don Leaver
    Writer:James Mitchell

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  4. The Avengers Season 3 Episode 4 - The Nutshell
    7.6/10(167 votes)

    #4 - The Nutshell

    S3:E4

    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 orders that he be apprehended.

    Director:Raymond Menmuir
    Writer:Philip Chambers

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  5. The Avengers Season 3 Episode 5 - Death of a Batman
    6.7/10(157 votes)

    #5 - Death of a Batman

    S3:E5

    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.

    Director:Kim Mills
    Writer:Roger Marshall

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  6. The Avengers Season 3 Episode 6 - November Five
    6.8/10(158 votes)

    #6 - November Five

    S3:E6

    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 killed to keep him quiet, and if so, by whom?

    Director:Bill Bain
    Writer:Eric Paice

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  7. The Avengers Season 3 Episode 7 - The Gilded Cage
    7.4/10(168 votes)

    #7 - The Gilded Cage

    S3:E7

    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.

    Director:Bill Bain
    Writer:Roger Marshall

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  8. The Avengers Season 3 Episode 8 - Second Sight
    6.8/10(156 votes)

    #8 - Second Sight

    S3:E8

    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.

    Director:Peter Hammond
    Writer:Martin Woodhouse

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  9. The Avengers Season 3 Episode 9 - The Medicine Men
    6.9/10(148 votes)

    #9 - The Medicine Men

    S3:E9

    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.

    Director:Kim Mills
    Writer:Malcolm Hulke

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  10. The Avengers Season 3 Episode 10 - The Grandeur That Was Rome
    6.5/10(166 votes)

    #10 - The Grandeur That Was Rome

    S3:E10

    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 bubonic plague.

    Director:Kim Mills
    Writer:Rex Edwards

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  11. The Avengers Season 3 Episode 11 - The Golden Fleece
    6.6/10(160 votes)

    #11 - The Golden Fleece

    S3:E11

    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.

    Director:Peter Hammond
    Writer:Roger Marshall

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  12. The Avengers Season 3 Episode 12 - Don't Look Behind You
    7.6/10(184 votes)

    #12 - Don't Look Behind You

    S3:E12

    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?

    Director:Peter Hammond
    Writer:Brian Clemens

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  13. The Avengers Season 3 Episode 13 - Death "à la carte"
    6.7/10(160 votes)

    #13 - Death "à la carte"

    S3:E13

    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.

    Director:Kim Mills
    Writer:John Lucarotti

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  14. The Avengers Season 3 Episode 14 - Dressed to Kill
    7.8/10(182 votes)

    #14 - Dressed to Kill

    S3:E14

    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 an arrow.

    Director:Bill Bain
    Writer:Brian Clemens

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  15. The Avengers Season 3 Episode 15 - The White Elephant
    6.7/10(145 votes)

    #15 - The White Elephant

    S3:E15

    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.

    Director:Laurence Bourne
    Writer:John Lucarotti

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  16. The Avengers Season 3 Episode 16 - The Little Wonders
    7.1/10(156 votes)

    #16 - The Little Wonders

    S3:E16

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

    Director:Laurence Bourne
    Writer:Eric Paice

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  17. The Avengers Season 3 Episode 17 - The Wringer
    7.3/10(153 votes)

    #17 - The Wringer

    S3:E17

    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.

    Director:Don Leaver
    Writer:Martin Woodhouse

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  18. The Avengers Season 3 Episode 18 - Mandrake
    7.6/10(158 votes)

    #18 - Mandrake

    S3:E18

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

    Director:Bill Bain
    Writer:Roger Marshall

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  19. The Avengers Season 3 Episode 19 - The Secrets Broker
    7.1/10(147 votes)

    #19 - The Secrets Broker

    S3:E19

    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.

    Director:Jonathan Alwyn
    Writer:Ludovic Peters

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  20. The Avengers Season 3 Episode 20 - Trojan Horse
    6.8/10(146 votes)

    #20 - Trojan Horse

    S3:E20

    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.

    Director:Laurence Bourne
    Writer:Malcolm Hulke

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  21. The Avengers Season 3 Episode 21 - Build a Better Mousetrap
    7.2/10(162 votes)

    #21 - Build a Better Mousetrap

    S3:E21

    What does Cathy joining a motorcycle gang, two elderly ladies who own a watermill and claim to be witches, and all of the clocks stopping at a local atomic research station have in common? They're all present in Brian Clemen's first great step into the bizarre.

    Director:Peter Hammond
    Writer:Brian Clemens

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  22. The Avengers Season 3 Episode 22 - The Outside-In Man
    7.3/10(142 votes)

    #22 - The Outside-In Man

    S3:E22

    Arabian revolutionary Sharp is visiting Britain and Steed is put in charge of security. He thinks it is ironic that they are now protecting a man they were trying to kill five years before. Two agents were thought to have died during the violent bloodshed in Abarain but now one of them is very much alive.

    Director:Jonathan Alwyn
    Writer:Philip Chambers

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  23. The Avengers Season 3 Episode 23 - The Charmers
    7.5/10(161 votes)

    #23 - The Charmers

    S3:E23

    The opposition believe Steed is responsible for the death of their agent Vinkel. Steed, however, had nothing to do with the murder and, as a show of good faith, agrees to a swap of partners with Keller in a bid to find the real killer.

    Director:Bill Bain
    Writer:Brian Clemens

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  24. The Avengers Season 3 Episode 24 - Concerto
    7.0/10(158 votes)

    #24 - Concerto

    S3:E24

    Soviet-British trade talks are coinciding with the first London concert of the brilliant young pianist, Stefan Veliko. A young girl accuses Veliko of assault, and is then murdered. If someone wants to disrupt the talks by incriminating the pianist, they seem to be going about it in the right way.

    Director:Kim Mills
    Writers:Malcolm Hulke, Terrance Dicks

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  25. The Avengers Season 3 Episode 25 - Esprit de corps
    7.2/10(151 votes)

    #25 - Esprit de corps

    S3:E25

    The mysterious death of Corporal Craig of the Highland Guards sends both Steed and Cathy undercover into the army ranks. There, Steed finds himself under court-martial and Cathy becomes second in line to the throne.

    Director:Don Leaver
    Writer:Eric Paice

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Season 3 Ratings Summary

"Brief for Murder" is the best rated episode of "The Avengers" season 3. It scored 7.8/10 based on 198 votes. Directed by Peter Hammond and written by Brian Clemens, it aired on 9/28/1963. This episode is rated 0.6 points higher than the second-best, "The Undertakers".