A Concorde loaded with passengers and crew vanishes into thin air. The still-grieving TARDIS crew arrive at Heathrow Airport in 1981 as the Doctor volunteers his services to solve the mystery.
Quest roles:
Anthony Ainley(The Master / Sir Gilles Estram), Peter Cellier(Andrews), Keith Drinkel(Flight Engineer Scobie), Michael Cashman(First Officer Bilton), Richard Easton(Captain Stapley)