Season 1
1965 · 26 episodes · 21h 40m in all · 7.9/10
As another peril threatens the world, the team leap into action. Thunderbirds are GO!

Episodes

1. Trapped in the Sky
30 Sept 1965 · 50 min · 7.6/10
Criminal Mastermind the Hood puts a bomb on a plane. International Rescue must foil the Hood's evil plans.

2. Pit of Peril
7 Oct 1965 · 50 min · 8.0/10
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
14 Oct 1965 · 50 min · 9.0/10
Professor Borender, an important scientist, and Lady Penelope are both abducted.

4. Terror in New York City
21 Oct 1965 · 50 min · 10.0/10
A TV reporter and a cameraman are trapped when the Empire State Building collapses.

5. Edge of Impact
28 Oct 1965 · 50 min · 7.0/10
A fighter jet crashes into a Teleray station, trapping two men, after being sabotaged by the Hood.

6. Day of Disaster
4 Nov 1965 · 50 min · 7.5/10
A Martian probe-rocket containing two engineers is buried underneath rubble when a bridge collapses.

7. 30 Minutes After Noon
11 Nov 1965 · 50 min · 6.5/10
A British agent is trapped in a room of plutonium with an explosive device strapped to his wrist.

8. Desperate Intruder
18 Nov 1965 · 50 min · 10.0/10
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
25 Nov 1965 · 50 min · 8.0/10
Eddie Houseman, a Tracy Family friend, is left stranded on a cliff after a demolition operation goes wrong.

10. The Uninvited
2 Dec 1965 · 50 min · 8.0/10
Scott is brought down in the desert by three mysterious jet fighters and captured along with a team of archaeologists.

11. Sun Probe
9 Dec 1965 · 50 min · 9.0/10
A space explorer is on a collison course with the sun after becoming lost.

12. Operation Crash-Dive
16 Dec 1965 · 50 min · 10.0/10
Thunderbirds are called to rescue a supersonic plane from beneath the Atlantic Ocean.

13. Vault of Death
23 Dec 1965 · 50 min · 6.0/10
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
30 Dec 1965 · 50 min · 6.0/10
'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
6 Jan 1966 · 50 min · 8.0/10
A Space age shopping mall suddenly becomes the site of a raging furnace.

16. The Imposters
13 Jan 1966 · 50 min · 8.0/10
Operations are unjustly suspended when imposters disguised as International Rescue take secret papers from a vault.

17. The Man from M.I.5
20 Jan 1966 · 50 min · 7.0/10
A British spy vanishes while carrying atomic weapon blueprints.

18. Cry Wolf
27 Jan 1966 · 50 min · 7.0/10
The Hood attacks a space tracking station in Australia.

19. Danger at Ocean Deep
3 Feb 1966 · 50 min · 6.0/10
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
10 Feb 1966 · 50 min · 9.0/10
After Alan wins Parola Sands motor race, his rival Victor Gomez develops a grudge.

21. The Duchess Assignment
17 Feb 1966 · 50 min · 8.0/10
Lady Penelope's friend, the Duchess of Royston, agrees to sell an expensive painting.

22. Brink of Disaster
24 Feb 1966 · 50 min · 6.0/10
Crooked tycoon Warren Grafton invites Jeff, Brains and Tin-Tin for a ride on the monorail he has built.

23. Attack of the Alligators!
10 Mar 1966 · 50 min · 10.0/10
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
17 Mar 1966 · 50 min · 7.0/10
The Hood forces an unwitting Kyrano into immoblising Thunderbird 1's photodetector.

25. The Cham-Cham
24 Mar 1966 · 50 min · 8.0/10
The villainous musician Olsen has a cunning plan to disrupt rocket flights.

26. Security Hazard
31 Mar 1966 · 50 min · 0.0/10
Chip, a young boy, manages to penetrate Tracy Island.
Thunderbirds Season 1: quick answers
How many episodes are in Thunderbirds Season 1?
Season 1 of Thunderbirds has 26 episodes, about 22 hours in total.
When did Thunderbirds Season 1 come out?
Season 1 premiered on 30 Sept 1965.
What is the best episode of Thunderbirds Season 1?
By viewer score, episode 1, “Trapped in the Sky”, at 7.6/10.