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Watch Calling Bulldog Drummond online — it may be available on legal streaming platforms such as YouTube, Netflix, Prime Video, Hulu, Disney+, and others.

With a ruthless gang terrorizing London, Scotland Yard calls Hugh “Bulldog” Drummond out of retirement. With the help of detective Helen Smith, Drummond infiltrates the gang under an assumed name. He and Smith become trusted gang-members until the gang’s overlord discovers their true identities, and they are taken as prisoners.