This Week in USA
The Poison Sky (Season 4: Ep 5)
Last updated 23 September 2018
3:00am-4:00am EDT (07:00 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 schedule
Broadcast Source: BBC America