The Sontarans activate their masterplan and begin to choke
the whole of planet Earth, as Russell T Davies's Bafta
Award-winning time-travelling drama continues.
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?
In this weeks VORTEXTRA... Discuss
4.5: The Poison Sky, Rate the Episode and check out our Episode Guide entry for it. View our facts about
Sontarans, take part in our Quiz for the episode and
check out Teaser #5 for the forthcoming
DWO Role Playing Game.
NEXT TIME... VORTEXTRA explores
4.6: The Doctor's Daughter.