Planet of Fire (4) Doctor Who : Season 21 Episode 16

TV-PG BBC Television 25m int(0)

Aired: March 2nd, 1984 @ 5:15 PM EST on BBC Television

While the Master, victim of his own attempt to improve his TCE weapon, seeks restoration through Sarn's numismaton gas, the truth of Turlough's past comes out at last, though to guarantee the safety of his brother and the Sarn people, Turlough must consider a great personal sacrifice.