Three episodes, one complete, self-contained story — a condensed hit of super-charged Thrill-power beamed to you directly from the Nerve Centre! Earth, the far future. A super-intelligent mouse, tired of its loneliness in a post-apocalyptic wasteland, travelled back in time intending to warn its human masters of the coming nuclear fire, but discovered they were experimenting on its rodent brethren, and rescued them instead...