The Mystery of Yellow Rain

NOVA explores whether "yellow rain," described by members of the Hmong tribe of Laos, is a form of chemical warfare—or a naturally occurring phenomenon.

Where to watch

You cover 0/985 episodes +22 with the plan · 2%

Your services

With the plan

Not covered

PBS

Subscription

964/985

Watch

Also available on 1

• 

  DirecTV On Demand

  Subscription

  824/985

  Watch

Every episode is already streaming. Subscribe only while you're watching.

985 episodes · subscribe while you watch, cancel anytime

See your month-by-month plan → Track