A young lady, Miss Mary Morstan, contact Sherlock Holmes for his help regarding her father, captain Morstan, who disappeared 10 years ago. Since his disappearance she annually receives a valuable pearl by post from an unknown person. The mystery leads Holmes and doctor Watson into an intricate plot regarding a lost treasure belonging to four convicts on the Andaman Islands.
Jeremy Brett, Edward Hardwicke, Robin Hunter, Alf Joint, John Thaw, Kiran Shah, Jenny Seagrove, Rosalie Williams, Derek Deadman, Ronald Lacey, Ishaq Bux, Terence Skelton, Marjorie Sudell, Emrys James, Gordon Gostelow
Adventure, Crime, Drama, Mystery, Thriller
Want to enjoy The Sign of Four without breaking any rules? There are plenty of legal and secure ways to stream the iconic superhero film. Depending on your location, platforms like Netflix, Amazon Prime Video, Apple TV+, HBO Max, or Disney+ may have it available as part of their subscription catalog.
If you're looking for free options, check out ad-supported streaming services such as Tubi, Pluto TV, Crackle, or Peacock, which often feature classic titles at no cost.
Prefer to own or rent the film? You can find The Sign of Four in HD or 4K on digital marketplaces like Google Play, iTunes, and Amazon Video. Additionally, services like Kanopy and Hoopla offer free streaming if you have a participating library card or university login.
Dive into the of The Sign of Four—a legendary blend of Adventure, Crime, Drama, Mystery, Thriller—available to stream for free on M4freetv, your trusted source for high-quality, no-hassle entertainment. Watch this in crisp HD, complete with English subtitles for an immersive viewing experience.
Forget sign-ups, subscriptions, or disruptive ads. Whether you prefer to watch online instantly or download for later, M4freetv gives you total control with a smooth, user-friendly platform designed for seamless streaming.
With just a few clicks, you can bring The Sign of Four to your screen and make it the centerpiece of your movie night. Join millions who are already enjoying fast, secure, and 100% free access to top-tier entertainment—only on M4freetv.