s strange meteorites are crashing down, an unconscious Doctor is found lying just outside the TARDIS. The United Nations Intelligence Taskforce (UNIT) commanded by Brigadier Lethbridge-Stewart is already onto the issue of the meteorites and when he learns that a man has been found unconscious in the woods lying next to blue police box, he's certain that his old friend the Doctor has returned. He visits him at the nearby hospital but doesn't recognize him, not realizing that he Doctor has regenerated. The Doctor foils an attempt to kidnap him and he's soon back in hospital having been shot by the soldiers guarding the TARDIS.

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