1
Criminal Mastermind the Hood puts a bomb on a plane. International Rescue must foil the Hood's evil plans.
2
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
Professor Borender, an important scientist, and Lady Penelope are both abducted.
4
A TV reporter and a cameraman are trapped when the Empire State Building collapses.
5
A fighter jet crashes into a Teleray station, trapping two men, after being sabotaged by the Hood.
6
A Martian probe-rocket containing two engineers is buried underneath rubble when a bridge collapses.
7
A British agent is trapped in a room of plutonium with an explosive device strapped to his wrist.
8
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
Eddie Houseman, a Tracy Family friend, is left stranded on a cliff after a demolition operation goes wrong.
10
Scott is brought down in the desert by three mysterious jet fighters and captured along with a team of archaeologists.
11
A space explorer is on a collison course with the sun after becoming lost.
12
Thunderbirds are called to rescue a supersonic plane from beneath the Atlantic Ocean.
13
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' 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
A Space age shopping mall suddenly becomes the site of a raging furnace.
16
Operations are unjustly suspended when imposters disguised as International Rescue take secret papers from a vault.
17
A British spy vanishes while carrying atomic weapon blueprints.
18
The Hood attacks a space tracking station in Australia.
19
After the launch of the ship Ocean Pioneer, fears are raised that its potentially explosive cargo of liquid alsterene may mean impending disaster.
20
After Alan wins Parola Sands motor race, his rival Victor Gomez develops a grudge.
21
Lady Penelope's friend, the Duchess of Royston, agrees to sell an expensive painting.
22
Crooked tycoon Warren Grafton invites Jeff, Brains and Tin-Tin for a ride on the monorail he has built.
23
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
The Hood forces an unwitting Kyrano into immoblising Thunderbird 1's photodetector.
25
The villainous musician Olsen has a cunning plan to disrupt rocket flights.
26
Chip, a young boy, manages to penetrate Tracy Island.