Here's a look at the new movies opening nationwide Friday, July 27th:

* The Watch -- Ben Stiller, Vince Vaughn, Jonah Hill and British comedian/actor Richard Ayoade play four suburban men who form a neighborhood watch group and discover that some of the locals are aliens in disguise, intent on destroying the planet. Rated R.

* Step Up Revolution -- A Miami dance crew known for its flash mobs pull together after their neighborhood is threatened by a businessman/developer.

Ryan Guzman, Kathryn McCormick and Peter Gallagher star in the fourth film in the Step Up series, which is screening in 3D. Rated PG-13. 

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