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MI6's top assassin (Mark Strong) has a brother. Unfortunately for him, he's an English football supporter (Sacha Baron Cohen) from the town of Grimsby. Nobby has everything a man from the poor English fishing town of Grimsby could want - 9 children and the most attractive girlfriend in northern England (Rebel Wilson). There's only one thing missing in his life: his little brother, Sebastian. After they were adopted by different families as children, Nobby spent 28 years searching for him. Upon hearing of his location, Nobby sets off to reunite with his brother, unaware that not only is his brother an MI6 agent, but he's just uncovered a plot that puts the world in danger. On the run and wrongfully accused, Sebastian realizes that if he is going to save the world, he will need the help of its biggest idiot.

How to Watch The Brothers Grimsby Legally and Safely

If you want to stream The Brothers Grimsby through reputable and legal services, there are a few good options depending on where you are. Subscription platforms like HBO Max, Disney+, Netflix, Amazon Prime Video, and Apple TV+ sometimes carry The Brothers Grimsby films or related DC titles—though availability depends on your country.

If you’d rather not commit to a subscription, there are ad‑supported, free (but legal) platforms such as Tubi, Pluto TV, Peacock or Crackle (where available in your region) that occasionally host superhero films.

Lastly, don’t forget about library‑linked streaming options like Kanopy or Hoopla (if your library or university is registered), and official uploads by film distributors on YouTube—these can also give you legal access to classic movies.