Thunderbirds are go! - Comet Chasers

Seizoen: 1 - Aflevering: 21 / 21 - Eerst uitgezonden: 19 december 2015 - Episode ID: 1117855

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.