Where To Stream Captain Scarlet and the Mysterons Season 1 Episode 23

Spectrum are involved with the safe, quiet transportation of escorting the world's leading astrophysicist, Doctor Congrad, to a conference with the World President at Lake Toma in Switzerland. After boarding their mysteriously-empty flight, which could possibly be due to it being the "slack" season with planes flying usually 3/4 empty but with no hostesses around, Captains Scarlet and Blue become suspicious, and realise that they are trapped on board the airliner, along with two tagging-along...