In Theaters This Weekend: Reviews of 'Paranormal Activity 4,' 'Alex Cross,' 'The First Time' and More

Paranormal Activity 4 Trailer Screengrab - H 2012

What THR's critics say about the movies opening this week.

With Halloween only a couple weeks away, Paranormal Actvitiy 4 is aiming to offer up some scares to moviegoers this weekend.

Directed by Henry Joost and Ariel Schulman, the fourth installment of the horror franchise follows Katie (Katie Featherston), missing for five years. After her disappearance, a family begins witnessing strange events in their neighborhood when a woman and a mysterious child move in. The movie also stars Kathryn Newton and Matt Shively.

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Meanwhile, Tyler Perry, Matthew Fox and Rachel Nichols star in Alex Cross, directed by Rob Cohen. The action-mystery film follows an investigator who is to pushed his moral and physical limits as he deals with a sadistic serial killer.

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

Paranormal Activity 4
Katie Featherston makes only a brief reappearance in the latest installment of the urban-legend horror franchise. Read Justin Lowe's review here.

Alex Cross
Tyler Perry plays James Patterson's investigator and forensic psychologist opposite Matthew Fox as a sadistic killer. Read Todd McCarthy's review here.

The First Time
Britt Robertson, Dylan O'Brien and Victoria Justice star in director Jonathan Kasdan's second feature, about two teenagers losing their virginity. Read Todd McCarthy's review here.

My Worst Nightmare
Director Anne Fontaine's French comedy about a mismatched relationship. Read David Rooney's review here.

VIDEO: 'Alex Cross' Trailer Pits Tyler Perry Against Matthew Fox

The doc explores the human fascination with animals, combining footage from a drawing class, a taxidermist’s workshop and a Quebec safari park, both during peak visitor season and in the grim winter months. Read David Rooney's review here.

The Flat
When director Arnon Goldfinger's grandmother passes away, he's tasked with clearing out the Tel Aviv flat that she and her husband shared for decades since immigrating from Nazi Germany in the 1930s. Read John DeFore's review here.

Nobody Walks
Ry Russo-Young's third feature fails to arouse much interest despite an attractive cast. Read Todd McCarthy's review here.

We Are Legion
Brian Knappenberger's documentary explores the underground, nebulous hacktivist group known as Anonymous. Read John DeFore's review here.

VIDEO: Dylan O'Brien on His 'Smart' Teen Comedy 'The First Time'

That's What She Said
The raunchy comedy from director Carrie Preston stars Anne Heche. Read Justin Lowe's review here.

Brooklyn Castle
Katie Dellamaggiore's documentary centers on a successful chess team at Brooklyn's Intermediate School 318. Read John DeFore's review here.