The Mark of the Rani (2) Doctor Who : Season 22 Episode 6
TV-PG BBC Television 25m int(0)
Aired: February 9th, 1985 @ 5:15 PM EST on BBC Television
The Master uses The Rani's mind-controlling parasites to keep a meeting of Earth's leading scientists from being cancelled, and helps her plant transformation land mines for The Doctor, as he continues to propose an alliance with her in ruling over Earth.