Thunderbirds was an unfinished Thunderbirds movie, set for release sometime in 1999. The project collapsed, and was eventually picked up and completed in 2004.
- It would have marked the introduction of Thaddeus Stone.
- Kristin Scott Thomas was approached to play the part of Lady Penelope Creighton-Ward.
- David Graham expressed his frustration at not being included in the project, bluntly stating "I AM Parker!" While not appearing in the completed 2004 film, he would eventually get to reprise the role by 2015. He would 'officially' retire from the role after the conclusion of the 2015 reboot, handing over the role to Jon Culshaw for the Anderson Entertainment series in 2021.