Inferno (5) Doctor Who : Season 7 Episode 23
TV-PG BBC Television 25m int(0)
Aired: June 6th, 1970 @ 5:15 PM EST on BBC Television
The parallel Inferno has broken through the Earth's crust, unleashing terrible seismic forces and dooming the planet. The Doctor hopes to return and save his world. But the bestial primords are closing in...