Treasure Planet (2002)
Treasure Planet is a 2002 American animated science fiction film produced by Walt Disney Animation Studios, and released by Walt Disney Pictures on November 27, 2002. It is the 43rd animated feature in the Walt Disney Animated Classics series. The film is a science fiction adaptation of Robert Louis Stevenson's adventure novel Treasure Island and was the first film to be released simultaneously in regular and IMAX theaters. The film employs a novel technique of hand-drawn 2D traditional animation set atop 3D computer animation.
More at Wikipedia.