Season 1
26 episodes

1. Trapped in the Sky
50m · Sep 30, 1965
Criminal Mastermind the Hood puts a bomb on a plane. International Rescue must foil the Hood's evil plans.

2. Pit of Peril
50m · Oct 7, 1965
On a jungle test, the U.S. Army Sidewinder falls into an old landfill where combustible gases have turned it into a raging inferno.

3. The Perils of Penelope
50m · Oct 14, 1965
Professor Borender, an important scientist, and Lady Penelope are both abducted.

4. Terror in New York City
50m · Oct 21, 1965
A TV reporter and a cameraman are trapped when the Empire State Building collapses.

5. Edge of Impact
50m · Oct 28, 1965
A fighter jet crashes into a Teleray station, trapping two men, after being sabotaged by the Hood.

6. Day of Disaster
50m · Nov 4, 1965
A Martian probe-rocket containing two engineers is buried underneath rubble when a bridge collapses.

7. 30 Minutes After Noon
50m · Nov 11, 1965
A British agent is trapped in a room of plutonium with an explosive device strapped to his wrist.

8. Desperate Intruder
50m · Nov 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.

9. End of the Road
50m · Nov 25, 1965
Eddie Houseman, a Tracy Family friend, is left stranded on a cliff after a demolition operation goes wrong.

10. The Uninvited
50m · Dec 2, 1965
Scott is brought down in the desert by three mysterious jet fighters and captured along with a team of archaeologists.

11. Sun Probe
50m · Dec 9, 1965
A space explorer is on a collison course with the sun after becoming lost.

12. Operation Crash-Dive
50m · Dec 16, 1965
Thunderbirds are called to rescue a supersonic plane from beneath the Atlantic Ocean.

13. Vault of Death
50m · Dec 23, 1965
A Bank of England worker is trapped in a time-lock safe. Time is of the essence as the oxygen is running out.

14. The Mighty Atom
50m · Dec 30, 1965
'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.

15. City of Fire
50m · Jan 6, 1966
A Space age shopping mall suddenly becomes the site of a raging furnace.

16. The Imposters
50m · Jan 13, 1966
Operations are unjustly suspended when imposters disguised as International Rescue take secret papers from a vault.

17. The Man from M.I.5
50m · Jan 20, 1966
A British spy vanishes while carrying atomic weapon blueprints.

18. Cry Wolf
50m · Jan 27, 1966
The Hood attacks a space tracking station in Australia.

19. Danger at Ocean Deep
50m · Feb 3, 1966
After the launch of the ship Ocean Pioneer, fears are raised that its potentially explosive cargo of liquid alsterene may mean impending disaster.

20. Move – And You're Dead
50m · Feb 10, 1966
After Alan wins Parola Sands motor race, his rival Victor Gomez develops a grudge.

21. The Duchess Assignment
50m · Feb 17, 1966
Lady Penelope's friend, the Duchess of Royston, agrees to sell an expensive painting.

22. Brink of Disaster
50m · Feb 24, 1966
Crooked tycoon Warren Grafton invites Jeff, Brains and Tin-Tin for a ride on the monorail he has built.

23. Attack of the Alligators!
50m · Mar 10, 1966
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.

24. Martian Invasion
50m · Mar 17, 1966
The Hood forces an unwitting Kyrano into immoblising Thunderbird 1's photodetector.

25. The Cham-Cham
50m · Mar 24, 1966
The villainous musician Olsen has a cunning plan to disrupt rocket flights.

26. Security Hazard
50m · Mar 31, 1966
Chip, a young boy, manages to penetrate Tracy Island.