This Week in USA
The Ambassadors of Death: Part One of Two
(incorporating: Episode 1 / Episode 2 / Episode 3 / Episode 4)
Last updated 09 January 2017
10:30pm-12:05am CST (04:30 GMT) < > « »
WTTW 11 Chicago
Featuring: Jon Pertwee, Nicholas Courtney, Caroline John, Ronald Allen
Contact has been lost with Mars Probe 7. When contact is also lost with the recovery ship, UNIT is called in and the Doctor learns that someone is sending messages to the vessel.
Synopsis Source: Doctor Who Guide
Broadcast Source: BroaDWcast