"Flight 104" is the twenty-second episode of Gerry Anderson's Captain Scarlet And The Mysterons.
Plot
Assigned to protect a scientis targeted for Mysteron assassination, Captain Scarlet and Captain Blue run into interference from two reporters who are effectively stalking the scientist. The Mysterons take over the controls of an airliner whose every seat the Spectrum captains buy out, leaving the reporters trapped aboard with the captains once the liner is in flight.