In Theaters This Weekend: Reviews of 'Step Up Revolution,' 'The Watch,' 'Ruby Sparks' and More

Summit Entertainment
"Step Up Revolution"

Wondering which film to go see this weekend? Check out what THR's critics say about the movies opening this week.

Aliens and dancers invade theaters this weekend.

Ben Stiller, Vince Vaughn and Jonah Hill stars in Fox's sci-fi comedy The Watch, about a group of neighborhood watch volunteers who suddenly find themselves battling an alien invasion.

Meanwhile, Step Up Revolution, which stars Kathryn McCormick and Ryan Guzman, marks the fourth film in the dance franchise.

VIDEO: 'Ruby Sparks' Trailer: 'Little Miss Sunshine' Directors Return With Paul Dano, Zoe Kazan Love Story

Read what The Hollywood Reporter's film critics have to say about the films opening this weekend, and find out how they are expected to perform at the box office.

Step Up Revolution
Kathryn McCormick and Ryan Guzman co-star in the fourth outing for the fly dance franchise. Read Justin Lowe's review here.

The Watch
Ben Stiller and Vince Vaughn play the guys they always play in this sci-fi comedy misfire. Read Sheri Linden's review here.

Ruby Sparks (opened Wednesday)
The duo that brought us Little Miss Sunshine is back with an inventive romantic fantasy starring Paul Dano and Zoe Kazan. Read Todd McCarthy's review here.

Killer Joe
Matthew McConaughey and Emile Hirsch star in a dark comedy-thriller from Oscar-winning director William Friedkin, which premiered in Competition at the Venice Film Festival. Read Neil Young's review here.

VIDEO: Matthew McConaughey on His 'Killer Joe' Character

Raunchy Danish import is set for a Warner Bros. remake starring Danny McBride. Read John DeFore's review here.

Ai Weiwei: Never Sorry
Alison Klayman's doc about a dissident artist is long on political friction, short on art. Read John DeFore's review here.

Iron Sky (opened Wednesday)
A cheeky exploitation parody about Nazis in space should be a riot, but Finnish director Timo Vuorensola's sci-fi comedy is uneven, its humor never quite matching the luster of its visuals. Read David Rooney's review here.

Searching for Sugar Man
Failed in the U.S. but a success in apartheid-era South Africa, Rodriquez's story is a musical journey. Read Justin Lowe's review here.

VIDEO: 'The Watch' Outtakes Trailer: Stiller, Hill, Vaughn and Ayoade Goof Off

The third of Chen Kaige’s works related to the stage, after Farewell, My Concubine and Forever Enthralled, is adapted from Orphan of Zhao, the first Chinese opera to become known in Europe. Read Maggie Lee's review here.