Season 12, Episode 4 The Mystery of the Yellow Rain

First Aired: October 30, 1984

A program examining charges that the Vietnamese-backed Laotian government engaged in chemical warfare after it was outlawed in 1972. The report focuses on claims by the Hmong of northern Laos, who describe attacks on them in the late 1970s.

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  • Premiered: March 3, 1974
  • Rating: None
  • User Rating:4.51 out of 5 (139 ratings)
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  • Premise: PBS's premier science-documentary series, which has won six Peabody Awards and more than 20 Emmys (four in 2002 alone) since its 1974 debut. `Nova' clearly, and often engagingly, `demystifies' a vast range of science, technology and history topics---past a… (more)

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