1. Trapped in the Sky

The Hood places a bomb aboard an airliner so he can photograph the Thunderbirds craft as they attempt to rescue it. International Rescue must simultaneously save Tin-Tin, who is aboard the airliner, and thwart the Hood's devious plans.

2. Pit of Peril

When a revolutionary new Army transport vehicle 'The Sidewinder' is tested, it runs into trouble and disappears beneath the ground. International Rescue is called, and with peoples' lives at stake, a highly ingenious and dangerous operation devised by Brains must be executed perfectly to succeed.

3. City of Fire

A terrifying fire breaks out in a vast shopping mart. Everyone is evacuated except for a single family who are trapped in a sealed-off corridor. Against overwhelming odds, Scott and Virgil save the family before the whole area explodes.

4. Sunprobe

A research space ship loses its direction and is on a collision course with the sun. Using some of Brains' latest equipment, Alan and Scott in Thunderbird 3 save the probe ship and narrowly avoid crashing into the sun themselves.

5. The Uninvited

Scott is forced down in the desert by three mysterious jet fighters with weird, unfamiliar markings. He and two archaeologists are captured by his attackers, the Zombites, a lost race living in a huge pyramid. Scott manages to create blind confusion in the Zombites' headquarters, the three escape and the pyramid is destroyed.

6. The Mighty Atom

The Hood audaciously steals 'The mighty Atom', a Robot rat that can be programmed to take photographs. He plans to photograph the Thunderbirds, but fortunately for International Rescue, during its mission the Mighty Atom stumbles on another subject. When the Hood retrieves the film all he finds is shots of Lady Penelope - screaming her head off at the life-like rat!

7. Vault of Death

At the Bank of England, an employee has been trapped in a time-lock vault that is set to remain closed for two years. The air is being pumped out and the employee will soon die. Thunderbirds arrive to save the man and begin to burn their way in. With time running out the situation is desperate - until Penelope and Parker arrives and he opens the vault with one of her hairpins!

8. Operation Crash Drive

Two giant Fireflash airliners have crashed into the Atlantic under mysterious circumstances. Although International Rescue manage to save the pilot of the second crash, they can find no explanation of it. On a third flight, Thunderbird 2 follows the Fireflash, and the cause of the trouble is located - a saboteur hidden in the wing. At the last moment, Gordon repairs the sabotage and the Fireflash is saved.

9. Move and You're Dead

A jealous racing driver strands Alan Tracy and Grandma on a new road bridge with an ultra-sonic device connected to a bomb so that if they move, they die. But Brains ingeniously disables the bomb for long-distance. The two are saved, and it is left up to Scott to track down the driver who has stolen Alan's prize-winning car.

10. Martian Invasion

Using his half-brother Kyrano, the Hood immobilizes the photodetector in Thunderbird 1. Thus when Scott goes to the rescue of two actors trapped during filming of a Martian invasion movie, the Hood is able to photograph the craft. But he is discovered, and in his attempts to deliver the film to his customer, General Strond, it is destroyed.

11. Brink of Disaster

When Jeff Tracy, Brains and Tin-Tin are taken on a monorail journey by Warren Grafton, it almost ends in disaster. The track has been negligently built by Grafton's crooked outfit and it takes the full resources of Brains and Thunderbirds 1 and 2 to save the four passengers. Then Grafton and the other crooks are made safe - behind bars.

12. The Perils of Penelope

Investigating the disappearance of an accomplished scientist, Lady Penelope is similarly kidnapped. In an attempt to force the scientist to reveal his secrets, Penelope is tied directly in the path of an oncoming express train. Will he talk? But such questions are irrelevant as Virgil and Gordon save Penelope - just as the express train rushes into view.

13. Terror in New York City

Disaster strikes when the Empire State Building is moved to a new site to allow development of the old one. A TV reporter and cameraman are trapped in a cave-in. Brains surmises that they can be reached from an underground network of streams, but as Gordon rushes to meet the two men in Thunderbird 4, another building collapses. The two men are saved, just before a gigantic tidal wave sweeps through behind them.

14. End of The Road

There is a double problem when a man who knows the Tracy family is in extreme danger. After a dangerous demolition operation, Eddie Houseman is helplessly stranded in his tractor on the brink of a cliff. He must be saved - but without learning that International Rescue comprises his friends, the Tracys, Scott and Virgil keep their identities secure by staying within their vehicles and hauling Eddie to safety.

15. A Day of Disaster

A Martian probe-rocket collapses with two engineers in its nose cone. And then the countdown begins... International Rescue must save the two men before the rocket is destructively launched - but it is buried beneath tons of rubble. For hours they work until the nose cone is finally detached and the engineers freed, just before the rocket fires and disintegrates against a river bank.

16. Edge of Impact

Two men are endangered when an aircraft sabotaged by the Hood crashes into their Teleray Station. The Control Room at the top is swaying in the wind and will soon collapse. They cannot be rescued directly, but a capsule fired from Thunderbird 2 contains escape harnesses for the men, and when the structure finally falls the two are saved.

17. Desperate Intruder

Brains and Tin-Tin are on a search for golden treasure. They don aquasuits to dive into a lake where the treasure may be... the Hood lays in wait then uses his hypnotic powers on the hunters - but buried to his neck in sand, Brain still refuses to reveal the lake's location. The Hood attacks again... in the battle his craft is destroyed, the treasure lost, and Brains trapped. Finally, Brains is saved and order restored.

18. 30 Minutes After Noon

When a mission to undermine a complex sabotage operation goes wrong a British agent is left with a bomb in a bracelet clamped to his arm, trapped under robot guard in a well-shielded plutonium storage room. The world's biggest explosion will happen at 12:30. Unless... International Rescue are forced to succeed at a highly delicate operation that involves breaching the plutonium security zone and disposing of the explosive bracelet.

19. The Impostors

Two men posing as International Rescue agents save a man trapped in a well and steal secret papers from an adjacent underground vault. With their reputation sullied, International Rescue's freedom to operate is curtailed and there is a man in dire trouble in space. Suddenly, Penelope comes through with the impostors' identity, and Alan and Scott can at last rescue the drifting spaceman.

20. The Man From M.I.5

While investigating the disappearance of British secret agent Bondsson and some terrible dangerous nuclear plans, Lady Penelope is kidnapped and left with a remote-controlled bomb. But the kidnapers have not reckoned with the radio built into Penelope's powder compact! The Thunderbirds are alerted, the murderers are trapped, Lady Penelope is saved.... and the plans are regained.

21. Cry Wolf

After two Australian boys have raised a false alarm, their second call for help is at first ignored. But when America satellite HQ confirms that the boys' father (one of the operatives) is under assault from the Hood, Thunderbirds rush to rescue. The pursued Hood tumbles over a cliff, and the two small boys are saved.

22. Danger at the Ocean Deep

One ship, Ocean Pioneer I, has disappeared. And just after Ocean Pioneer is launched, Brains discovers that its cargo of liquid alsterene destines it for disaster too. Even with a mysterious communications blackout hindering them, Thunderbirds locate the ship. Amid growing radiation, the crew is finally saved, but the vessel explodes.

23. The Duchess Assignment

Lady Penelope's friend, the elderly Duchess of Royston, arranges to loan a valuable painting to an American businessman. En route to deliver the painting, she is kidnapped by two crooks - but notifies International Rescue with a concealed homing device Penelope has given her. The crooks are caught and the Duchess rescued from the burning building she has imprisoned in.

24. Attack Of the Alligators

After accidentally pouring a quantity of enlarging drug into a swamp river, four men are trapped in their house by giant alligators. Alan, Virgil and Gordon manage to put the four beasts out of action, but subsequently a whole vial full of enlarging liquid, drops in the river. Gordon swims to search for it, and finally recovers the vial - mercifully intact.

25. The Cham Cham

Musical arranger Olsen has been using the live broadcasts of a famous pop group to sabotage American rocket transporter flights with a sensitive ultrasonic device, the Cham Cham. Posing as a singer, Penelope interrupts the next broadcast, and using exactly the right key and tempo, sings the transporter to safety. Olsen is captured by Virgil and Alan in Thunderbird 2.

26. Security Hazard

Chip, a small boy, stows away and manages to reach Tracy Island. When Jeff discovers him learning International Rescue secrets, he decides the boy is a security hazard that must be neutralized. When Chip falls asleep he is whisked home to his own bed, and is left believing the whole escapade was a dream.

27. Atlantic Inferno

While Jeff is on holiday, Scott is left in charge on International Rescue. He successfully masterminds an operation to save all the occupants of a stricken oil rig that is slowly destroyed by fire. But by the time Jeff returns, it has been too much for Scott - now he needs a holiday!

28. Path of Destruction

The massive, atomic powered 'Crablogger' that cuts down and processes trees into pulp goes out of control and razes a town to the ground. Virgil and Scott risk death to shut down its reactor and empty its fuel tanks before it destroys a local dam.

29. Alias Mr. Hackenbacker

Crooks try to hijack a plane on which Lady Penelope is hosting a fashion show. She contacts Thunderbirds who force the plane to make a crash landing. But all aboard are saved as the plane has been fitted with a safety device invented by Brains - under his alias 'Mr. Hackenbacker'. The frustrated crooks are captured and led away.

30. Lord Parker's 'Oliday

Lady Penelope and Parker holiday at the first town to be lit by solar power. But during their first night there a giant reflector used to concentrate the sun's rays crashes. As the sun rises, the Thunderbirds must race against time to prevent the town being destroyed by the magnified heat.

31. Ricochet

In space, a pirate TV station is damaged by the destruction of a faulty rocket and is destined for burn-out on re-entry of the atmosphere. Thunderbird 5 is malfunctioning and cannot help. Tin-Tin picks up an SOS TV message from the pirates, and Thunderbirds 2 and 3 save the crew - but their unauthorized spacecraft blows up in the desert.

32. Give or Take a Million