Poster unavailable
Details incomplete: poster.
Synopsis
Hopalong Cassidy and his traveling companions discover that a quirky professor’s quest for science is actually an explosive cattle rustling scheme.
Source:
- Released
- 1935
- Runtime
- 64 minutes
- Genres
- drama, western
Where to watch
United StatesTubi
Full movie
Last checked Oct 14, 2026
Available until Dec 15, 2026, 04:59 UTC
Subtitles: eng
Tubi
Full movie
Last checked Oct 14, 2026
Available until Dec 15, 2026, 04:59 UTC
Subtitles: eng
Plays on the provider’s site.
Cast & crew
Cast
- William Boyd
- James Ellison
- Jean Rouverol
- George 'Gabby' Hayes
- Harry Worth
- Frank McGlynn Jr.
- Howard Lang
Director
Howard Bretherton
Streaming availability data provided by the Streaming Availability API by Movie of the Night.
Your lists
Saved in this browser. Change these anytime.
