The Empty Planet (1) The Sarah Jane Adventures : Season 4 Episode 7
TV-PG BBC One 30m
Aired: November 1st, 2010 @ 5:15 PM EST on BBC One
Clyde and Rani awake to find they are the only humans on Earth, even Sarah Jane Smith has vanished. But the Earth is not deserted, stalking the streets of London, strange forces gather.
