Seven Blood-Stained Orchids (1972) runs 1 h 32 min and averages 6.2 from 81 TMDB members. A maniac on the loose is committing savage acts of slaughter, and one survivor may be the only key to unmasking the serial slayer known as the Half-Moon Killer. The mysterious half-moon lockets he leaves with his victims could be the only key to unraveling his sinister motives, but will that be enough before he completes his ice-cold plot to claim his intended seven victims?
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Streaming availability by JustWatch. In the US, as of 2026-11-05: FlixFling (subscription), Darkroom (free), Fawesome (free), Tubi TV (free with ads).
Seven Blood-Stained Orchids on TMDB · This product uses the TMDB API but is not endorsed or certified by TMDB.

Lights Down is a free tool: tell it your streaming services and how long you have, and it ranks what you can stream tonight, with a this-or-that, a roll, a bracket and a wheel. Movie data from TMDB; streaming availability by JustWatch. Page updated 2026-11-05. This product uses the TMDB API but is not endorsed or certified by TMDB. Lights Down is a Somebody Decide program. How the data works · Legal & privacy · Tonight's lists