When seismic activity near the coast of Greece reveals the lost city of Atlantis, two scientists venture below the depths to explore the area. But when their submarine becomes stuck, International Rescue are called out to assist.

Lady Penelope's Great Aunt Sylvia visits Creighton-Ward Manor for afternoon tea, but has something important to discuss... Guest Star: Sylvia Anderson as Great Aunt Sylvia.

An anti-technology group calling themselves The Luddites power up an electromagnetic pulse device underneath London, crippling everything that uses electricity. The result is a near catastrophe as the entire city shuts down. Virgil and Grandma Tracy must find and disable the device - with the help of Lady Penelope and Parker.

Lady Penelope and Parker complete in a desert motor race with FAB1 and a racer named Jensen Hunt. All seems well until the Chaos Crew steal an experimental New engine from the leading BR2 vehicle.

Lady Penelope, Parker and Gordon visit the Amazon desert, where an archaeologist shows them round an ancient temple. When they all become trapped inside, the academic refuses to let them call for help, fearing for his reputation - so the trio of heroes must put their wits to the task of finding an escape route.

A distress call from an interstellar ship called EDEN leads Alan and John to explore the wreckage. There they find space pirates and mysterious spider-like robots known as Builder Bots.

Kayo, with the help of a futuristic game creator that only talks like a wizard, must play through a futuristic holo-game called Cavern Quest to stop The Chaos Crew from stealing a powerful piece of technology.

Lady Penelope, Parker and Sherbert answer a distress call from Parker's old acquaintances - Light Fingered Fred and Gomez. The distress turns out to be a ruse.

A powerful seaquake turns a busy day for International Rescue into a perilous one. Lady Penelope helps Thunderbirds find who put seismic destabilisers on the sea bed.

International Rescue race to prevent Francois Lemaire's pleasure balloon from crashing into New Zealand's Southern Alps.

The team travels to Langstrom Fischler's newest invention to stop a hive of malfunctioning weather drones.

When Buddy and Ellie Pendergast go missing filming their latest episode in a hidden valley in South America Scott and Gordon must rescue them whilst being attacked by mutated lizards.

The Gray and Houseman mining operation now includes planet Mercury - it uses a moving vehicle that stays on the 'dark side' of the planet.

When two space freighters crash in low-earth orbit, Alan and John must evacuate the hotheaded pilots from a dangerous debris field.

When a popular vlogger gets trapped during an avalanche, International Rescue must find a way to carefully dig him out.

Lady Penelope and Parker are testing out FAB2, a luxury yacht, when they receive a distress call from a nearby tanker. A tsunami has formed, and the massive wave is headed for the stalled tanker's location.

Alan is on space junk duty, when one of the pieces of debris turns out to be a heat-seeking SAT-MINE that activates and locks onto TB3's heat signature. Back on Earth, Lady Penelope and Parker implement a plan to sneak into a top-secret storage facility.

The Chaos Crew interrupt the pleasant and quite life of Ned Tedford to steal the orchard growth serum inside the highly secure Global Seed Vault.

Brains and Alan visit the Quantum Research Center, adjacent to New Geneva in Switzerland, to see the Supreme Hadron Collider switched on. Disaster strikes when the collider is switched on, creating a gravity well. A satellite is sucked down into downtown New Geneva, and International Rescue is mobilised when an aircraft and the World Wide Space Station are drawn into the gravity well, threatening the city. The only craft that can withstand the gravitational pressure is Thunderbird 4, used out of its normal undersea environment.

Lady Penelope and Parker must deal with a malfunctioning orbital power platform whilst Scott, Virgil and Gordon try to rescue the crew of a plane damaged by the platform's output.

When an atmospheric cleaning machine malfunctions, trapping the maintenance crew inside, Parker must square off with a figure from his misspent youth.

When gas from a dangerous hydromethane reserve begins to leak, Virgil and Gordon team up with a retired well-capping specialist to plug the leak. Gordon soon discovers the Chaos Crew syphoning off fuel - and moves to stop them.

A hepetologist is bitten by a rare spider in a dense rainforest, and a carrier drone containing anti-venom goes off course. Kayo, Scott and Virgil fly to the scene to find the drone before its too late.

A strange malfunction occurs on a high-speed train in Japan, leaving it out of control and unable to stop. Brains comes up with a plan to fix the problem before a disastrous crash occurs - the only problem is that he will have to board the speeding engine himself to pull it off. Scott manages to get the genius on board, where they find the problem is more complicated than they thought.

A malfunction at a mining operation sends an asteroid careening towards the sun, endangering crewman Ned Tedford. Alan and Kayo deploy Thunderbird 3 for the rescue mission, but a rogue solar flare knocks out their sensors. They land near the mine, and must find a way to alter the asteroid's trajectory so that it slingshots around the sun instead of crashing into it.