Poster of Cast and Crew in History Undercover - S4 E6 · Unit 731: Nightmare in Manchuria (Season 4 - Episode 6) - S4 E6 · Unit 731: Nightmare in Manchuria

History Undercover - Season 4 - S4 E6 · Unit 731: Nightmare in Manchuria (Episode 6)

Plot: The Japanese army seeks to develop biological weapons during World War II.
Episode Aired On:
Sunday, March 7 1999
26 years ago