S1 • E1
The Hood plants a bomb in the landing gear of a new supersonic airliner, the Fireflash - on which Tin-Tin is aboard - to draw International Rescue out into the open for its first mission.
S1 • E2
When the US Army's new armored vehicle, the Sidewinder, falls into a burning pit during a field test, International Rescue must haul the machine out and save the three-man crew on board.
S1 • E3
Lady Penelope and her friend Sir Jeremy investigate the disappearance of a scientist who has invented a revolutionary rocket fuel, which in the wrong hands could poison the world's oceans.
S1 • E4
After Thunderbird 2 is damaged in a mistaken attack, another means of transport must be found for Thunderbird 4 when a news crew is trapped under the collapsed Empire State Building.
S1 • E5
Hired by General Bron to sabotage Britain's new Red Arrow fighter jet, the Hood endangers two technicians when he causes the plane's second prototype to crash into a TV relay tower.
S1 • E6
Brains and Lady Penelope find themselves involved in a rescue mission when the Arlington Bridge collapses, trapping the Martian Space Probe and its engineers in the river bed.
S1 • E7
International Rescue must save an innocent office worker and a British spy caught up in the bombing schemes of the dastardly Erdman Gang.
S1 • E8
Brains and Tin-Tin embark on an expedition to Lake Anasta in search of sunken treasure, but the Hood will stop at nothing to seize the spoils for himself.
S1 • E9
When an old flame of Tin-Tin's is trapped inside a tractor on a collapsing ledge with a case of explosives beside him, the Tracys must save him without revealing their identities.
S1 • E10
In the Sahara, Scott and a pair of archaeologists searching for a fabled pyramid find themselves at the mercy of a hostile band of warriors known as the Zombites.
S1 • E11
When a manned space probe collecting solar debris gets stuck onto a collision course with the sun, the combined crews of Thunderbirds 2 and 3 must rescue the solarnauts before it's too late.
S1 • E12
When Fireflash airliners start inexplicably crashing into the same area of the sea, International Rescue volunteers to assist in the investigation.
S1 • E13
When a banker gets trapped in the Bank of England's new vault, International Rescue races to save him, but Parker frets that he will spoil his old cellmate's dream of robbing the bank.
S1 • E14
The Hood steals a surveillance robot disguised as a mouse to photograph the inner workings of both a Saharan nuclear power plant and the Thunderbird machines.
S1 • E15
When a fire breaks out in the carpark of a massive skyscraper and causes the building's collapse, Scott and Virgil must use untested equipment to save a family trapped in the basement.
S1 • E16
When International Rescue is framed for theft, the organization's intelligence network must clear their name before the Tracys are arrested responding to a distress call they cannot ignore.
S1 • E17
At the behest of a British Secret Service agent, Lady Penelope goes undercover in Monte Carlo to pursue a gang of murderous criminals who have stolen the plans for a nuclear weapon.
S1 • E18
After being reprimanded by International Rescue for sending them a false alert, two Australian boys are trapped by the Hood in a mine when he tries to steal secret photos from their father.
S1 • E19
International Rescue must save the crew of a new super tanker when it sails into a patch of sea harboring a fungus that reacts explosively with the vessel's cargo of liquid fuel.
S1 • E20
Alan returns to motor-racing to test out Brains' new engine, but a jealous rival steals his car before leaving him and Grandma stranded on an abandoned bridge with a motion-sensitive bomb.
S1 • E21
When Lady Penelope's destitute friend, the Duchess of Royston, loans a valuable painting to an associate of Jeff's, she is kidnapped by crooks intent on stealing the fee for the painting.
S1 • E22
Jeff, Brains and Tin-Tin find themselves trapped onboard a crooked entrepreneur's automated cross-country monorail that is hurtling towards a collapsed bridge without means of stopping.
S1 • E23
An experiment to increase the world's food supply goes horribly wrong when a would-be thief spills a new growth hormone into a South American swamp, spawning a horde of gigantic alligators.
S1 • E24
International Rescue rushes to a movie set to save two actors from a watery grave, unaware that the Hood has orchestrated the accident as a means of filming the Thunderbird machines.
S1 • E25
In the Swiss Alps, Lady Penelope and Tin-Tin go undercover to investigate the link between a popular cabaret band's performances and mysterious attacks on military aircraft.
S1 • E26
After discovering a young boy aboard Thunderbird 2, Jeff tries to decide how to deal with the stowaway while his sons break protocol by enthralling him with tales of their past adventures.
Lady Penelope Creighton-Ward
Jeff Tracy
Gordon Tracy
Scott Tracy
Alan Tracy
John Tracy
Tin-Tin Kyrano
Virgil Tracy
Virgil Tracy
Captain, Ocean Pioneer II