Jeff appears in all 32 television episodes.
Trapped in the SkyEdit
Jeff worries about Kyrano's health following an unexpected seizure, so he arranged for the doctor to be flown to Tracy Island to examine his friend. But he must also take care that his family's great secret remains so...
Pit of PerilEdit
City of FireEdit
When a car crashes in the car park of Thompson Tower, a massive fire ensues. When the tower's controllers discover people are trapped in its vast basement, Jeff sends Thunderbird 2 - with the Mole and Firefly - to rescue them...
To save the imperiled Sun Probe rocket and its crew, Jeff conducts a two-pronged rescue operation - in space, with Alan, Tin-Tin Kyrano and Scott aboard Thunderbird 3; and on Earth, with Virgil and Brains aboard Thunderbird 2...
When contact with Scott is lost - following Thunderbird 1's being attacked and shot down over the Sahara - the head of International Rescue becomes a concerned father...anxious for news of his missing eldest son...
The Mighty AtomEdit
To save a nuclear reactor from going critical, Jeff sends the boys - and a very special "guest" crew member - to the reactor's desert location...
Vault of DeathEdit
Move - And You're DeadEdit
Brink Of DisasterEdit
Jeff, Brains and Tin-Tin take a ride on the Pacific Atlantic Monotrain, so Jeff can hear businessman Warren Grafton's pitch for him to invest in the privately-financed scheme. Disaster strikes, though, when a patrol helijet crashes in a storm onto a section of track over a deep ravine - and the fully-automated train has no way of stopping...
- Main article: Jeff Tracy's Trip on a Monotrain
The Perils of PenelopeEdit
A Lady vanishes: when Lady Penelope and another IR field agent inexplicably disappear from the monotrain to Anderbad (both have been kidnapped!), Jeff dispatches Virgil and Gordon in Thunderbird 2, while Alan teams up with Parker and FAB 1...
- Main article: A Lady in Peril
Terror in New York CityEdit
New York's famous Empire State Building has collapsed while being moved, trapping news reporter Ned Cook and his cameraman Joe in an underground cave...that's slowly filling with water. Only Thunderbird 4 can save the day - but with Thunderbird 2 incapacitated, Jeff must find another means of getting IR's yellow mini-sub to the danger zone, before time runs out...
End of the RoadEdit
Jeff faces a dilemma, when the impulsive Eddie Houseman's left dangling over a cliff, in a truck full of live explosives, in a driving rainstorm: Eddie knows the Tracys, but not their most important secret - they're really International Rescue!
Day of DisasterEdit
How can a Martian Space Probe rocket, of all things, fall into a river? When the storm-damaged Allington Suspension Bridge collapses beneath its transport convoy - and Jeff must send Gordon and Thunderbird 4 to the scene, to save the trapped crew...
Edge of ImpactEdit
When a Red Arrow fighter jet crashes into a television relay tower, in a driving rainstorm - stranding its two-man crew at its top - Jeff must get his Thunderbird machines airborne, to save them...but his Tracy Island houseguest, Colonel Tim Casey, has no idea that his old friend and host is secretly the leader of International Rescue (nor must he ever find out!)...
Sand traps: when the Lake Anasta Expedition goes seriously awry, Jeff sends the team out to its desert location...and finding Brains buried up to his neck in the sand in the hot sun, is only the beginning of their troubles...
30 Minutes After NoonEdit
Espionage is not within International Rescue's brief...but when an undercover British agent's mission goes very wrong, his superiors ask for IR's help to save him; and Jeff sends Scott and Virgil to get him out of a Plutonium Store booby-trapped to explode...
With criminals posing as International Rescue (as a front to conceal their theft of important military plans), the real IR must suspend all rescue activities as a worldwide search for their hidden base is launched. Jeff calls upon IR's global network of field agents (including Lady Penelope and Parker) to help track down the impostors - and one of them, Agent 47 (who happens to be an old friend of Jeff's), comes up with an important find...
The Man From MI.5Edit
Why would an operative with the British spy agency MI.5 call on International Rescue, to help him find stolen top-secret papers? That's not what IR usually does. Jeff decides to send Lady Penelope to investigate further...
Boys playing "International Rescue" games give Jeff a headache when The Hood shows up.
Danger at Ocean DeepEdit
A rare mission for John! When the imperiled tanker Ocean Pioneer II is unable to send a call for help, Jeff sends John, Virgil and Scott to find her and rescue her crew...before the ship's dangerous cargo explodes...
The Duchess AssignmentEdit
The London Air Display...Edit
- Main article: The London Air Display
An Art Gallery Outing...Edit
As they visit an Art Gallery exhibition, Penelope shows Jeff a priceless Braquasso painting on display: Portrait of a Gazelle, owned by her friend Deborah, the Duchess of Royston - who, she explains, has recently fallen upon hard times...
- Main article: Art Gallery
...and, A Trip to New YorkEdit
Jeff has an idea, and visits his friend Wilbur Dandridge, head of Gazelle Automations, at his incredibly- automated New York office. Dandridge really likes gazelles - and is instantly taken with the Braquasso picture.
With a willing buyer and a hopefully-willing seller, Jeff puts Penelope in the picture; and she arranges a meeting between the two parties at Creighton-Ward Manor...
- Main article: Gazelle Automations
Attack of the Alligators!Edit
Giant Alligators!? Edit
...where an incredulous John later takes a call for help from Hector McGill, Dr. Orchard's assistant. After Brains works out a plan for the rescue of the people trapped inside the scientist's house on the Ambro River, Jeff sends his boys out to the danger zone...
- Main article: Unwelcome Guest
Jeff is invited on a holiday by Lady Penelope at her sheep station in Australia - but he's initially reluctant to accept, until his sons (even John, up on TB5!) prevail upon him that he truly deserves a proper rest...
- Main article: Lady Penelope's Australian Ranch
Path of DestructionEdit
When the forest-clearing Crablogger goes on a path of destruction - after its crew passes out cold, from food poisoning - Jeff sends International Rescue into action, before the out-of-control behemoth crashes into the San Martino Dam...
Alias Mr. HackenbackerEdit
Jeff was very relaxed through-out this episode. Most of the time it was down to Mr.Hackenbacker
Lord Parker's 'OlidayEdit
It's a tense all-nighter for Jeff on Tracy Island, as his sons and Brains - over on the other side of the world - attempt to forestall disaster for the resort town of Monte Bianco...before it arrives, literally, with the rising sun...
Jeff's relaxation is disturbed by Tin-Tin and her favourite Pirate TV station KLA.
Give or Take a MillionEdit
- Main article: Christmas on Tracy Island
He also appears in all 3 episodes of Thunderbirds 1965...
Thunderbirds Are Go (Film)Edit
What just went *bump* in the night?
At the Swinging Star nightclub - in disguise!
Thunderbird 6 (Film)Edit
Jeff believes International Rescue needs a Thunderbird 6 - however, what should this new addition to the fleet look like, and what should it be capable of? He gives Brains an open brief, for designing it...
Jeff hosts Lady Penelope and Parker on their first-ever visit to Tracy Island, so they can see how International Rescue will function once the secret organization begins operations. Their tour of the island includes observing the launch of Thunderbird 1 - from a vantage point overlooking the Tracy Villa's swimming pool...