"21 Jump Street" (R). Two cops join a secret unit and use their youthful appearances to go under cover as high-school students. TownMall Cinemas (1:30, 4:30, 7:40, 10:15 p.m.)
"A Thousand Words" (PG-13). In this comedy, Eddie Murphy plays a literary agent who stretches the truth on a business deal, and is then forced to realize the consequence of every word he speaks. With Kerry Washington, Cliff Curtis, Clark Duke and Allison Janney. TownMall Cinemas (1:40, 4:40, 7:45, 10:10 p.m.)
"Act of Valor" (PG-13). Real-life active duty soldiers...