Frank Drebin is persuaded out of retirement to go undercover in a state prison. There he has to find out what top terrorist, Rocco, has planned for when he escapes. Adding to his problems, Frank's wife, Jane, is desperate for a baby.

'Naked Gun 33 1/3: The Final Insult' offers Leslie Nielsen's signature deadpan humor and slapstick comedy, though many find it relies too much on recycled jokes. The parodies and star-studded climax are praised, but the change in director is noted to affect the tone. Despite mixed opinions, the film's self-awareness and cameos provide enough laughs, though it's often seen as the weakest in the trilogy.