You can now watch the entire Thunderbirds Are Go! Season 1 Episode 21 movie online in high-definition quality, complete with English subtitles for a better viewing experience. Best of all, there’s no need to download anything—simply stream it directly from your device anytime, anywhere.
It is 2060 and once again Halley's Comet is passing close to Earth. A businessman and his personal assistant fly up to chase the comet but end up sending out a distress call. Alan and Scott have to rescue them in Thunderbird 3.