North Sea Oil Rig (Interior)
RADIO OP: Mayday! Edge of Forest
(The DOCTOR, SARAH and HARRY march through the edge of a forest after being summoned to earth by the BRIGADIER. (To SARAH.)
Plan: A: Earth; Q: Where are the Doctor, Sarah and Harry summoned to? A: Brigadier; Q: Who asks the Doctor, Sarah and Harry to investigate the destruction of oil rigs? A: a series; Q: How many oil rigs are destroyed? A: North Sea; Q: Where are the oil rigs located? Summary: The Doctor, Sarah and Harry are summoned back to Earth, where the Brigadier asks them to investigate the destruction of a series of North Sea oil rigs.