Ambitious fish Oscar dreams of escaping his humdrum undersea life. His wish comes true when a gangster shark keen to escape a world of organised crime seeks his help in faking his own death. But Oscar soon finds himself out of his depth as his fearsome reputation gets out of control. Animated adventure, with the voices of Will Smith, Robert De Niro, Martin Scorsese, Renee Zellweger, Angelina Jolie and Jack Black.

Oscar is a small fish whose big aspirations often get him into trouble. Meanwhile, Lenny is a great white shark with a surprising secret that no sea creature would guess: He's a vegetarian. When a lie turns Oscar into an improbable hero and Lenny becomes an outcast, the two form an unlikely friendship.