The Oblong Box (1969) runs 1 h 36 min, is rated PG in the US and averages 5.8 from 108 TMDB members. Evil lurks in the gloomy house at Markham Manor where a deranged Sir Edward is the chained prisoner of his brother Julian. When Sir Edward escapes, he embarks on a monstrous killing spree, determined to seek revenge on all those whom he feels have double-crossed him.
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Streaming availability by JustWatch. In the US, as of 2026-11-08: Amazon Prime Video (subscription), fuboTV (subscription), MGM+ Amazon Channel (subscription), Philo (subscription), MGM Plus Roku Premium Channel (subscription), MGM Plus (subscription), Amazon Prime Video with Ads (subscription), The Roku Channel (free with ads), Plex (free with ads), Tubi TV (free with ads).
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