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Frequently asked questions
Where can I stream The Sign of Four? 
The Sign of Four is currently unavailable to stream in undefined on the streaming services we have in our catalogue
What movies are similar to The Sign of Four? 
Some movies that have similar genres and were produced around the same time as The Sign of Four include Primal Fear, L.A. Confidential, Mystic River, Kiss Kiss Bang Bang, Minority Report, The Bone Collector.