Doctor Who Season 16 Episode 1
The Magellanic Clouds, the planet Ribos, an unknown time. Ordered by the White Guardian to collect the pieces of the omnipotent Key to Time, The Doctor, K-9 and his new assistant Romana arrive. Collecting the first segment is not going to be easy…
Serie: Doctor Who
Episode Title: The Ribos Operation, Part One
Air Date: 1978-09-02