Tin-Tin appears in every episode except Pit of Peril and Lord Parker's 'Oliday. She also appears in both feature films - Thunderbirds Are Go and Thunderbird 6.
Trapped in the Sky[]
Tin-Tin is amongst the passengers trapped on board Fireflash, when the hypersonic airliner is unable to land due to a bomb planted in its landing gear - by her half-uncle, The Hood...
- Main article: Tin-Tin is Trapped in the Sky
City of Fire[]
In one of Tracy Island's lab facilities, Tin-Tin and Brains carefully monitor Scott and Virgil as they test new cutting equipment that utilizes oxyhydnite gas. Things don't quite turn out as expected - and this could loom large, as the two brothers are called to rescue a family from the blazing Thompson Tower...
Sun Probe[]
Tin-Tin blasts off into space aboard Thunderbird 3, with Alan and Scott, to rescue the imperiled Sun Probe rocket. The mission succeeds...but, at what cost?
- Main article: Tin-Tin's Trip to the Sun
The Uninvited[]
Tin-Tin persuades Jeff to allow her to accompany Virgil and Brains aboard Thunderbird 2, as they set off for the Sahara Desert to rescue Scott - after he and Thunderbird 1 had been shot down by three unidentified fighter planes...
- Main article: Tin-Tin's Desert Rescue
The Mighty Atom[]
During Lady Penelope's visit to Tracy Island - her first since International Rescue commenced operations - she and Tin-Tin are seen chatting together and reading magazines, as they take their ease on the Tracy Villa's verandah...
Vault of Death[]
Tin-Tin is seen briefly with Jeff Tracy on Tracy Island.
Operation Crash-Dive[]
Tin-Tin is seen in the Tracy Villa with John, who's home on leave from Thunderbird 5 - and again later on, during a group discussion led by Jeff in the Tracy Lounge...
Move and You're Dead[]
Tin-Tin joins Virgil aboard Thunderbird 2, as they transport Alan (and his new Brains-designed race car) to a drop-off point for Parola Sands Raceway - where an exciting (and fateful) day of racing awaits...
- Main article: Off to the Races
Martian Invasion[]
Tin-Tin's in Thunderbird 1's hangar bay, carrying out maintenance checks in the rocket-plane's pilot's cabin... when an unexpected visitor comes to call...
Brink of Disaster[]
Tin-Tin and Brains accompany Jeff, as his advisors, aboard the new Pacific-Atlantic Monotrain, as Jeff listens to a business pitch by its president - the less-than-above-board Warren Grafton...
- Main article: Tin-Tin on the Brink of Disaster
The Perils of Penelope[]
With a timely assist from Parker, Tin-Tin (in full evening-dress) appears at a Parisian restaurant to surprise Alan, who's dining with Lady Penelope and Sir Jeremy Hodge. Et voila!
- Main article: A Night out in Paris
Terror In New York City[]
Everyone, including Tin-Tin, hurriedly repairs to the Cliff House - Tracy Island's emergency control center - and can only watch in horror, as the stricken Thunderbird 2 crashes and skids uncontrollably along the island's runway...
- Main article: Cliff House
End of the Road[]
Tin-Tin's relationship with Alan is upended with the surprise visit of Eddie Houseman - her old flame - to Tracy Island...
- Main article: A Visit From Eddie Houseman
Day of Disaster[]
After Grandma Tracy's tiny personal edible transmitter accidently got baked up in one of her apple pies - and someone all-as-accidentally ate it! - Tin-Tin brings a bottle of transmitter dissolver, for whoever it was that swallowed it. "I'll go quietly," a much-chastened Jeff responds, after everyone else has left the room!
Edge of Impact[]
Tracy Island's playing host to Colonel Tim Casey, an old friend of Jeff's - a very awkward time for a rescue call to come in! It's up to Tin-Tin to keep him distracted, while the Thunderbirds take off - he mustn't learn his fellow jet-jockey's secretly the leader of International Rescue...
- Main article: A Hunt for a Water Mamba
Desperate Intruder[]
Sand traps: with an assist from Virgil and Thunderbird 2, Tin-Tin and Brains are off to North Africa to join Professor Blakely's Lake Anasta expedition, and explore an ancient sunken temple there. Treasure - and danger - await them, below...
- Main article: Tin-Tin and the Lost Temple
30 Minutes After Noon[]
Tin-Tin, Alan and Gordon are recalled from their deep-sea fishing excursion when a call for help arrives, regarding a man trapped in the burning Hudson Building. While Alan joins Virgil aboard Thunderbird 2, Tin-Tin listens to news broadcasts detailing the situation and relays them to Scott, who's already en route in Thunderbird 1...
The Imposters[]
International Rescue's done it again - or, have they? Everyone on Tracy Island's reading the news reports in total disbelief, and with good reason: it wasn't them! So, who was it? At first, Jeff dissembles awkwardly about it all. But Tin-Tin isn't fooled: she sees the hurt, and shock, in him as he walks away...
The Man from MI.5[]
Tin-Tin makes coffee for Jeff , while he is nervously waiting for news, after Lady Penelope had been kidnaped, and left tied-up on a boat to die. Can Scott, Virgil and Gordon rescue her before the time bomb explode.
Cry Wolf[]
"There's enough food here for an army!" Tin-Tin exclaims, on seeing the vast spread Grandma Tracy's prepared for two special visitors Scott's bringing to Tracy Island. Having helped raise her five grandsons, though, Grandma knowingly responds: "An army, perhaps...two growing young boys, I'm not so sure!"
Danger at Ocean Deep[]
The sound, and the fury: after Brains returns to Tracy Island with John from Thunderbird 5, Tin-Tin joins him in the laboratory as he experiments to find what's been causing interference to IR's radio transmissions...
- Main article: Transmission Black Out
The Duchess Assignment[]
Tin-Tin is in the kitchen with Grandma talking about Mr Tracy and his new Saville Row suit. He's certainly taking his visit to the London Air Display Seriously!
Attack of the Alligators![]
Having just returned home to Tracy Island from a shopping trip to the mainland, Tin-Tin's missed out on the boys' latest rescue. However, she's eager to show Alan the gift she got for his upcoming birthday - and it's in the bathroom! (The bathroom?) And it's just what he's always wanted, too: a baby alligator!
The Cham-Cham[]
Alan believes The Cass Carnaby Five's live broadcasts of their hit tune - Dangerous Game - are somehow connected to recent crashes of RTL 2 military flights. The group's currently appearing at Paradise Peaks - a super-deluxe hotel, high up in the Swiss Alps - so Jeff sends Lady Penelope and Tin-Tin there, to investigate...
- Main article: Tin-Tin's Trip to Paradise
Atlantic Inferno[]
Tin-Tin helps her Father pack Jeff's bags, after he agrees to fly-off to Lady Penelope's Australian Ranch, for a well earned break.
Path of Destruction[]
Jeff and Tin-Tin watch the boys fly off on another mission.
Alias Mr Hackenbacker[]
Tin-Tin shows off the latest issue of the high-fashion magazine, Chic - which includes an article on Lady Penelope, and features her on its cover!
Later, she and Brains (using an alias) travel to London to witness the maiden flight of his newest airliner design - the Skythrust, which is also hosting an onboard fashion show whose models include Penelope herself. When hijackers take over the aircraft - and hold its passengers hostage - it's up to "Mr. Hackenbacker" to save the day...
- Main article: Hiram K. Hackenbacker
Ricochet[]
With Thunderbird 5 temporarily off the air - while John and Gordon upgrade the space-station's electronics - on Tracy Island, Tin-Tin hears, over her portable TV, an SOS from Rick O'Shea - whose pirate-TV satellite, KLA, is crashing uncontrollably back to Earth...
- Main article: Tin-Tin and the Mystery of the Broken TV
Give or Take a Million[]
Up on the rooftop: it's late Christmas Eve on Tracy Island, and Tin-Tin and Virgil are sharing a late-night coffee before he departs for Coralville aboard Thunderbird 2. But then, both hear noises coming from the roof of the Tracy Villa...
- Main article: Things that go Bump in the Night