The Poison Sky (2)

Sinopse

The Sontarans continue their evil plot and begin to "choke" the Earth. The Doctor and Donna, now teamed with Martha have to stop them! Can they save Earth before it's too late?

Elenco convidado

Billie Piper

Rose Tyler

Freema Agyeman

Martha Jones

Christopher Ryan

Commander Stark

Ryan Sampson

Luke Rattigan

Christian Cooke

Ross Jenkins

Dan Starkey

Commander Skorr