Is Thunderbirds coming back?

Thunderbirds ended on December 25, 1966, after its second season aired in 1966. The show concluded its run on ITV1, with the final episode broadcast on that date.

Thunderbirds was a science-fiction action and adventure series that originally premiered on September 30, 1965. It was set in the year 2065 and followed the missions of a secret organization led by multi-millionaire Jeff Tracy. The organization used advanced rescue vehicles and technology to respond to emergencies around the world and in space, with Tracy's sons and their team carrying out daring rescues from their island base on Tracy Island in the South Pacific.

The series featured a cast including Peter Dyneley as Jeff Tracy, Shane Rimmer as Scott Tracy, Matt Zimmerman as Alan Tracy, David Graham in multiple roles including Brains, and Sylvia Anderson as Lady Penelope. The show had a runtime of 50 minutes per episode and was rated 7.3 on TVMaze. Its episodes showcased innovative rescue operations using a fleet of futuristic vehicles such as Thunderbird 1, 2, 3, 4, and the space station Thunderbird 5.