This Week in USA
The Poison Sky (Season 4: Ep 5)
Last updated 23 December 2018
4:45pm-5:50pm EST (21:45 GMT) < > « »
BBC America
Featuring: David Tennant, Freema Agyeman, Bernard Cribbins, Catherine Tate, Jacqueline King, Christopher Ryan, Ryan Sampson
Part 2. As poison gas suffocates the Earth's population, the Doctor and UNIT team members work to eliminate the threat.
Synopsis Source: BBC America schedule
Broadcast Source: BBC America