This Week in USA
The Poison Sky (Season 4: Ep 5)
Last updated 27 July 2017
7:00am-8:00am EDT (11:00 GMT) < > « »
BBC America (adverts during broadcast)
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 website schedule listing
Broadcast Source: BBC America