The Fireflash, on its maiden flight from London to Tokyo, is sabotaged by the Hood, a criminal who has learned of the formation of International Rescue, and is unable to land. The Hood's attack is int…

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.

Lady Penelope goes on the trail of a kidnapped scientist, only to find herself in mortal danger at the hands of a megalomaniac determined to exploit the expert's work to his advantage.

While returning from a mission, Thunderbird 2 is seriously damaged when it comes under attack from a new, high-speed U.S. Navy strike vessel, the U.S.N. Sentinel. After an operation to move the Empire…

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 insid…

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 call…

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 …

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.

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 co…

While returning to base, Scott is attacked by mysterious fighter aircraft and shot down over the Sahara. He is discovered by two archaeologists, who send him on his way, only to find themselves entomb…

The Sun Probe rocket and its crew are locked in a collision course with the Sun, prompting the launching of Thunderbird 3 – but International Rescue itself requires saving when Thunderbird 3 is unable…

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 d…

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…

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…

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 exp…

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 …

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.

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 …

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 a…

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 …

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 cr…

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 …

When a new growth hormone is accidentally released into a South American river, a house is besieged by alligators – now many times their normal size. International Rescue must subdue the reptiles and …

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 t…

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 mo…

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 …

World Navy tests of a nuclear torpedo inadvertently threaten the offshore rig Seascape. Jeff, having been invited by Lady Penelope to join her on holiday in Australia, places Scott in charge of Intern…

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 col…

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…

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

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 coll…

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-…