"Innerspace" is a 1987 science fiction comedy film directed by Joe Dante. The story follows a test pilot named Tuck Pendleton, who is miniaturized in a secret experiment and accidentally injected into the body of a hypochondriac grocery store clerk, Jack Putter. The film combines elements of adventure and humor as Tuck navigates the human body while trying to complete his mission. The film features a mix of live-action and special effects, showcasing the inner workings of the human body in a creative way. It stars Dennis Quaid as Tuck, Martin Short as Jack, and Meg Ryan as a love interest, adding to the film's charm and appeal.