This Week in Australia

The Poison Sky (Season 4 Episode 5)

Last updated 02 January 2017

Broadcast: Wednesday 11th March 2015
7:30pm-8:30pm AEDT (08:30 GMT) < > « »
SyFy (Australia) (adverts during broadcast)

Featuring: David Tennant, Freema Agyeman, Bernard Cribbins, Catherine Tate, Jacqueline King, Christopher Ryan, Ryan Sampson

The Sontarans activate their masterplan and begin to choke the whole of planet Earth. UNIT is left defenceless, with a traitor in their ranks. And as interplanetary war edges closer, the Doctor has to fight to keep both Martha and Donna alive - but will he have to make the ultimate sacrifice?

Synopsis Source: Syfy Site Listing

Broadcast Source: SyFy