本片是一部英国剧情片，上映于1970-01-03，由Derek Martinus导演，由Jon Pertwee/Caroline John/尼古拉斯·考特尼主演。
剧情简介：老版神秘博士第七季第一大集，共四小集。
As 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.
外文名：Spearhead form Space
类型：剧情 / 科幻 / 奇幻
地区：英国
导演：Derek Martinus
编剧：罗伯特·霍姆斯 / Sydney Newman
演员：Jon Pertwee / Caroline John / 尼古拉斯·考特尼
