In the year of its relaunch Reggie Yates is given exclusive behind the scenes access to one of the most loved British TV series of all time.

The International Rescue team is faced with one of its toughest challenges yet, as the revolutionary lighter-than-air craft Skyship One is hijacked while on her maiden voyage around the world. Against backdrops including the Statue of Liberty and the Sphinx, Lady Penelope, Parker, Alan and Tin-Tin fight the hijackers from on-board, while the rest of the team tries to stop the airship crashing.

Zero-X, a manned exploration mission crashes during lift-off on its maiden flight. Two years later an investigative committee finally concludes sabotage, and decides to call on the services of International Rescue to oversee security at the impending second launch. The second Zero-X successfully reaches its destination, but encounters unexpected hazards, ultimately leading to another call for assistance on its return to Earth. International Rescue respond, and once again Thunderbirds are GO!