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The Worst Episodes of Thunderbirds

Every episode of Thunderbirds ranked from worst to best. Explore the Worst Episodes of Thunderbirds!

Thunderbirds is a 1960s British science-fiction television series which was produced using a mixed method of marionette puppetry and scale-model special effects termed "Supermarionation". The...
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Lowest Rated Episodes Summary

"Security Hazard" is the worst rated episode of "Thunderbirds". It scored 5.6/10 based on 135 votes. Directed by Desmond Saunders and written by Alan Pattillo, it aired on 3/31/1966. This episode scored 0.9 points lower than the second lowest rated, "Give or Take a Million".

  • Security Hazard
    5.6/10135 votes
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    #1 - Security Hazard

    Season 1 Episode 26 - Aired 3/31/1966

    Clip show episode: the Tracy family cannot help but reminisce about their many successful missions after a young boy infiltrates the island. They are nevertheless burdened by the problem that the boy knows their identity and the location of their base – until Jeff realises that they can use the boy's dreams to their own advantage. Includes clips from "End of the Road", "Sun Probe", "Trapped in the Sky" and "Day of Disaster".

    Director: Desmond Saunders

    Writer: Alan Pattillo

  • Give or Take a Million
    6.5/10132 votes
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    #2 - Give or Take a Million

    Season 2 Episode 6 - Aired 12/25/1966

    While Christmas preparations are underway at both Tracy Island and a local children's hospital, which is expanding to incorporate a new radiotherapy wing, a pair of criminals attempt to burgle a high-tech vault storing gold bullion.

    Director: Desmond Saunders

    Writer: Alan Pattillo

  • Alias Mr. Hackenbacker
    6.6/10128 votes
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    #3 - Alias Mr. Hackenbacker

    Season 2 Episode 3 - Aired 10/16/1966

    The passenger aircraft Skythrust, conceived by Brains using his real name (Hiram Hackenbacker) as an alias, falls into the hands of fashion criminals who hi-jack the plane to steal a new French design from the renowned François Lemaire.

    Director: Desmond Saunders

    Writer: Alan Pattillo

  • Cry Wolf
    6.7/10142 votes
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    #4 - Cry Wolf

    Season 1 Episode 18 - Aired 1/27/1966

    Two Australian boys are playing their favourite game — "International Rescue" — when their "distress" call is picked up by John Tracy on Thunderbird 5. After a tour of Tracy Island, and a warning not to use their radio again, the brothers are returned home. The Hood then tricks the boys into an old mine shaft before stealing secret photographs from their government agent father. This time the brothers' SOS is real, but International Rescue refuses to believe them.

    Director: David Elliott

    Writer: Dennis Spooner

  • The Duchess Assignment
    6.8/10142 votes
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    #5 - The Duchess Assignment

    Season 1 Episode 21 - Aired 2/17/1966

    The Duchess of Royston has fallen on hard times, leading her friend Lady Penelope to enlist Jeff's help. The Duchess and her one asset – the painting Portrait of a Gazelle, by Braquasso – fall into criminal hands and it is up to International Rescue to save both.

    Director: David Elliott

    Writer: Martin Crump

  • Lord Parker's 'Oliday
    6.8/10132 votes
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    #6 - Lord Parker's 'Oliday

    Season 2 Episode 4 - Aired 10/23/1966

    A malfunctioning solar reflector menaces the Italian coastal village of Monte Bianco, where Lady Penelope and Parker happen to be visiting while on holiday.

    Director: Brian Burgess

    Writer: Tony Barwick

  • Desperate Intruder
    7.0/10156 votes
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    #7 - Desperate Intruder

    Season 1 Episode 8 - Aired 11/18/1965

    Brains and Tin-Tin set off on an expedition to retrieve sunken treasure from Lake Anasta. The Hood has also set his sights on the riches and plans to put both Brains and Tin-Tin in grave peril.

    Director: David Lane

    Writer: Donald Robertson

  • The Mighty Atom
    7.0/10148 votes
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    #8 - The Mighty Atom

    Season 1 Episode 14 - Aired 12/30/1965

    The Hood plans to corner the Thunderbirds vehicles by drawing them out to an emergency at an atomic irrigation plant in the Sahara, then photographing them with a miniature camera disguised as a mouse.

    Director: David Lane

    Writer: Dennis Spooner

  • Danger at Ocean Deep
    7.0/10136 votes
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    #9 - Danger at Ocean Deep

    Season 1 Episode 19 - Aired 2/3/1966

    When the Ocean Pioneer tanker inexplicably explodes, Brains investigates the cause. With some help from Lady Penelope, he discovers it to be a chemical reaction between the cargo of liquid Alsterene and OD60, which is found in the sea. International Rescue set out to save the crew of the ill-fated Ocean Pioneer II.

    Director: Desmond Saunders

    Writer: Donald Robertson

  • Martian Invasion
    7.0/10141 votes
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    #10 - Martian Invasion

    Season 1 Episode 24 - Aired 3/17/1966

    The Hood arranges for a mishap with explosives during a film shoot, leaving two of the actors sealed inside a cave. When International Rescue arrive the ensuing rescue is surreptitiously recorded by the Hood, and when the Tracys realize they've been set up a tense chase through the nearby desert ensues.

    Director: David Elliott

    Writer: Alan Fennell

  • Path of Destruction
    7.0/10135 votes
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    #11 - Path of Destruction

    Season 2 Episode 2 - Aired 10/9/1966

    A new invention – the Crablogger (a nearly fully automated logging machine that converts wood into fuel) — threatens widespread devastation if it collides with an unfinished dam, after its drivers collapse due to food poisoning.

    Director: David Elliott

    Writer: Donald Robertson

  • Ricochet
    7.0/10124 votes
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    #12 - Ricochet

    Season 2 Episode 5 - Aired 11/6/1966

    A staffed, pirate telecommunications satellite (which broadcasts a music programme of which Tin-Tin is a devoted fan) is disrupted by the detonation of a rogue unmanned space rocket and is set on collision course with a Middle Eastern oil refinery.

    Director: Brian Burgess

    Writer: Tony Barwick

  • Edge of Impact
    7.1/10174 votes
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    #13 - Edge of Impact

    Season 1 Episode 5 - Aired 10/28/1965

    The Hood sabotages the Red Arrow aircraft programme. One of the planes crashes into the TV Tower in England during a brutal rain storm, and International Rescue is summoned to save the engineers inside the tower before it collapses; making their job trickier apart from the driving rain and winds at the site is that the Red Arrow's director, a long time friend of Jeff, is fired from the project and stays at Tracy Island, forcing the Tracys to draw him away and thus remain oblivious to International Rescue's existence.

    Director: Desmond Saunders

    Writer: Gerry Anderson, Sylvia Anderson, Donald Robertson

  • End of the Road
    7.1/10155 votes
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    #14 - End of the Road

    Season 1 Episode 9 - Aired 11/25/1965

    International Rescue's security is jeopardised when Tin-Tin's close friend Eddie Houseman, who recently visited Tracy Island, takes drastic action to save his road-construction company's threatened contract by planting explosives to tear open a jungle mountainside, and the ensuing chaos leaves him trapped on a cliffside in a truck with another case of explosives on board.

    Director: David Lane

    Writer: Dennis Spooner

  • City of Fire
    7.1/10152 votes
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    #15 - City of Fire

    Season 1 Episode 15 - Aired 1/6/1966

    The world's tallest tower catches fire following an explosion in the car park and International Rescue are called to rescue a family trapped in the basement, which they can accomplish only with an experimental cutting gas ("Oxyhydnite") that previously rendered Scott and Virgil Tracy unconscious during testing.

    Director: David Elliott

    Writer: Alan Fennell

  • Move – And You're Dead
    7.1/10140 votes
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    #16 - Move – And You're Dead

    Season 1 Episode 20 - Aired 2/10/1966

    After Alan Tracy returns to motor-racing, his rivals decide to remove the competition by rigging a bridge with a movement-sensitive bomb, which will explode the moment that Alan and Grandma Tracy try to escape. (Some of this episode is narrated in flashback.)

    Director: Alan Pattillo

    Writer: Alan Pattillo

  • Day of Disaster
    7.2/10175 votes
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    #17 - Day of Disaster

    Season 1 Episode 6 - Aired 11/4/1965

    The Allington Bridge collapses while a space rocket is being transported over it, trapping the rocket on the riverbed and inadvertently initiating its automatic countdown. International Rescue is called upon to save the crew before the rocket launches.

    Director: David Elliott

    Writer: Dennis Spooner

  • 30 Minutes After Noon
    7.2/10170 votes
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    #18 - 30 Minutes After Noon

    Season 1 Episode 7 - Aired 11/11/1965

    The Erdman Gang has developed an ingenious technique of having their work carried out – an explosive bracelet that can be removed only at the designated target. A secret agent's attempt to infiltrate the organisation backfires as he is left trapped in a plutonium store. International Rescue face a race against time to prevent a massive nuclear explosion.

    Director: David Elliott

    Writer: Alan Fennell

  • The Imposters
    7.2/10138 votes
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    #19 - The Imposters

    Season 1 Episode 16 - Aired 1/13/1966

    A gang of criminals masquerade as International Rescue to conceal their theft of top-secret military plans. The ensuing worldwide manhunt for International Rescue leaves the organisation powerless to operate in a rescue situation until its name is vindicated, just as a member of a manned reconnaissance satellite is suddenly trapped in space while trying to repair the station.

    Director: Desmond Saunders

    Writer: Dennis Spooner

  • Brink of Disaster
    7.3/10141 votes
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    #20 - Brink of Disaster

    Season 1 Episode 22 - Aired 2/24/1966

    An unscrupulous investor attempts to recruit Lady Penelope into funding his automated, cross-country monorail building project. Jeff volunteers to ride the prototype, but he, Brains, and Tin-Tin find themselves trapped onboard, and with no possibility of escape, when it is discovered that the monorail train is speeding towards a stricken bridge.

    Director: David Lane

    Writer: Alan Fennell

  • The Cham-Cham
    7.3/10139 votes
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    #21 - The Cham-Cham

    Season 1 Episode 25 - Aired 3/24/1966

    When aircraft are shot down during live broadcasts of a hit song, International Rescue suspects foul play. Tin-Tin and Lady Penelope (posing as the singer Wanda Lamour) investigate, but are left in mortal danger when a ski lift is sabotaged and speeds out of control down a mammoth mountain slide in the Alps.

    Director: Alan Pattillo

    Writer: Alan Pattillo

  • Pit of Peril
    7.4/10226 votes
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    #22 - Pit of Peril

    Season 1 Episode 2 - Aired 10/7/1965

    A 500-ton U.S. Army walker, Sidewinder, falls into a pit during testing and International Rescue are called to save the crew trapped inside.

    Director: Desmond Saunders

    Writer: Alan Fennell

  • Operation Crash-Dive
    7.4/10155 votes
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    #23 - Operation Crash-Dive

    Season 1 Episode 12 - Aired 12/16/1965

    A series of unexplained Fireflash airliner disappearances sees Thunderbird 4 being called to rescue a crew stranded on the ocean floor. International Rescue then volunteer its services in helping to diagnose the cause of the mechanical fault.

    Director: Desmond Saunders

    Writer: Martin Crump

  • Vault of Death
    7.4/10160 votes
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    #24 - Vault of Death

    Season 1 Episode 13 - Aired 12/23/1965

    During the installation of a new, airtight security vault at the Bank of England, one of the employees is accidentally locked inside, and International Rescue must come to his rescue before the air is extracted.

    Director: David Elliott

    Writer: Dennis Spooner

  • The Man from M.I.5
    7.4/10143 votes
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    #25 - The Man from M.I.5

    Season 1 Episode 17 - Aired 1/20/1966

    A criminal organisation steals classified plans. Working in conjunction with a British Secret Service agent, Lady Penelope must recover the material to save the world from total destruction.

    Director: David Lane

    Writer: Alan Fennell