Thunderbirds Are Go! - Season 1 Episode 9 -

A malfunction at a mining operation sends an large asteroid careening towards the sun, endangering mining crewman Ned Tedford. Alan and Kayo deploy Thunderbird 3 for the rescue mission, but a rogue solar flare knocks out their sensors. As they land near the mine, and must find a way to alter the asteroid's trajectory so that it slingshots around the sun instead of crashing into it.