Where to watch Santo and Blue Demon vs. Dr. Frankenstein (1974)
In US, Santo and Blue Demon vs. Dr. Frankenstein is streaming on Night Flight Plus, Vemox Cine Amazon Channel.
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| Country | Stream (subscription) | Free | Free with ads | Rent | Buy |
|---|---|---|---|---|---|
| US |  Night Flight Plus  Vemox Cine Amazon Channel | — |  The Roku Channel  VIX |  Amazon Video | Amazon Video |
Availability data via JustWatch through TMDB. Listings change often — last refreshed 6 Oct 2026.