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Season guide

Thunderbirds: Season 1

26 episodes Premiered Sep 30, 1965 Updated Jul 30, 2026

Thunderbirds is a British science-fiction television series. The show is set in the 1960s and features a team that responds to emergencies. The team uses advanced technology, including a fleet of high-tech vehicles known as the Thunderbirds. The series is primarily animated, with a focus on action and adventure.

Season overview

Thunderbirds is a British science-fiction television series. The show is set in the 1960s and features a team that responds to emergencies. The team uses advanced technology, including a fleet of high-tech vehicles known as the Thunderbirds. The series is primarily animated, with a focus on action and adventure.

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Season 1 Episodes

Episode Guide

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Season 1: Filler vs. Essential Canon

Filter episodes by narrative weight. Focus on essential mytharc and skip standalone side quests.

Time Saved 0.8h Skipping 1 filler episode
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Mytharc (3): Crucial lore & season climaxes
Core (22): Character development & subplots
Side Quest (1): Standalone / filler
S1·E1 Mytharc

Trapped in the Sky

Sep 30, 1965 · 50 min

Criminal Mastermind the Hood puts a bomb on a plane. International Rescue must foil the Hood's evil plans.

S1·E2 Core

Pit of Peril

Oct 7, 1965 · 50 min

On a jungle test, the U.S. Army Sidewinder falls into an old landfill where combustible gases have turned it into a raging inferno.

S1·E3 Core

The Perils of Penelope

Oct 14, 1965 · 50 min

Professor Borender, an important scientist, and Lady Penelope are both abducted.

S1·E4 Core

Terror in New York City

Oct 21, 1965 · 50 min

A TV reporter and a cameraman are trapped when the Empire State Building collapses.

S1·E5 Core

Edge of Impact

Oct 28, 1965 · 50 min

A fighter jet crashes into a Teleray station, trapping two men, after being sabotaged by the Hood.

S1·E6 Core

Day of Disaster

Nov 4, 1965 · 50 min

A Martian probe-rocket containing two engineers is buried underneath rubble when a bridge collapses.

S1·E7 Core

30 Minutes After Noon

Nov 11, 1965 · 50 min

A British agent is trapped in a room of plutonium with an explosive device strapped to his wrist.

S1·E8 Core

Desperate Intruder

Nov 18, 1965 · 50 min

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

S1·E9 Filler

End of the Road

Nov 25, 1965 · 50 min

Eddie Houseman, a Tracy Family friend, is left stranded on a cliff after a demolition operation goes wrong.

S1·E10 Core

The Uninvited

Dec 2, 1965 · 50 min

Scott is brought down in the desert by three mysterious jet fighters and captured along with a team of archaeologists.

S1·E11 Core

Sun Probe

Dec 9, 1965 · 50 min

A space explorer is on a collison course with the sun after becoming lost.

S1·E12 Core

Operation Crash-Dive

Dec 16, 1965 · 50 min

Thunderbirds are called to rescue a supersonic plane from beneath the Atlantic Ocean.

S1·E13 Core

Vault of Death

Dec 23, 1965 · 50 min

A Bank of England worker is trapped in a time-lock safe. Time is of the essence as the oxygen is running out.

S1·E14 Core

The Mighty Atom

Dec 30, 1965 · 50 min

'The Mighty Atom' is a robotic rodent programmed to take photographs. The Hood steals the machine intending to take secret pictures of the Thunderbirds' craft and operations.

S1·E15 Core

City of Fire

Jan 6, 1966 · 50 min

A Space age shopping mall suddenly becomes the site of a raging furnace.

S1·E16 Core

The Imposters

Jan 13, 1966 · 50 min

Operations are unjustly suspended when imposters disguised as International Rescue take secret papers from a vault.

S1·E17 Core

The Man from M.I.5

Jan 20, 1966 · 50 min

A British spy vanishes while carrying atomic weapon blueprints.

S1·E18 Core

Cry Wolf

Jan 27, 1966 · 50 min

The Hood attacks a space tracking station in Australia.

S1·E19 Core

Danger at Ocean Deep

Feb 3, 1966 · 50 min

After the launch of the ship Ocean Pioneer, fears are raised that its potentially explosive cargo of liquid alsterene may mean impending disaster.

S1·E20 Core

Move – And You're Dead

Feb 10, 1966 · 50 min

After Alan wins Parola Sands motor race, his rival Victor Gomez develops a grudge.

S1·E21 Core

The Duchess Assignment

Feb 17, 1966 · 50 min

Lady Penelope's friend, the Duchess of Royston, agrees to sell an expensive painting.

S1·E22 Core

Brink of Disaster

Feb 24, 1966 · 50 min

Crooked tycoon Warren Grafton invites Jeff, Brains and Tin-Tin for a ride on the monorail he has built.

S1·E23 Core

Attack of the Alligators!

Mar 10, 1966 · 50 min

An experimental drug that makes animals grow four times their normal size is spilled into the Amazon River by a greedy boatman attempting to steal it.

S1·E24 Core

Martian Invasion

Mar 17, 1966 · 50 min

The Hood forces an unwitting Kyrano into immoblising Thunderbird 1's photodetector.

S1·E25 Mytharc

The Cham-Cham

Mar 24, 1966 · 50 min

The villainous musician Olsen has a cunning plan to disrupt rocket flights.

S1·E26 Mytharc

Security Hazard

Mar 31, 1966 · 50 min

Chip, a young boy, manages to penetrate Tracy Island.

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