The Mystery of Lost Ranch
Two men claiming to be scientists arrive in Arizona looking for Blair, a fellow scientist who disappeared while developing a death ray. The men hire Jim Wilson, who finds Blair living with his daughter on a ranch in an inaccessible valley near the Grand Canyon, where the scientist is testing his ray on birds and wild animals.
Below are the streaming services currently carrying the movie “The Mystery of Lost Ranch” in the United States, along with how each offers it (subscription, buy, or rent) and a direct link. Licensing differs by market, so availability in the United States can differ from other countries.
Where to watch The Mystery of Lost Ranch in United States
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Not currently available on the supported providers in United States.
Availability can change as licenses rotate — confirm on the provider’s page before subscribing. Last checked: 21 Sept 2026.