Ethan Hunt has four days to save the world from AI and nuclear warfare in 'Mission: Impossible - The Final Reckoning.' Tom Cruise, Hayley Atwell star.

“Mission: Impossible: The Final Reckoning,” a Paramount Pictures release in theaters Friday, is rated PG-13 by the Motion Picture Association for “bloody images, action, brief language, and sequences of strong violence.” Running time: 179 minutes. Two and a half stars out of four.