October chills are in the air this week, with spooks and thrills and plenty more to keep you entertained. We've got a look at this weekend's releases that are sure to keep you on the edge of your seat.

'Paranormal Activity 4' continues the legacy of the first three found-footage horror thrillers with a brand-new family in a brand-new house with a very familiar entity invading their lives.

In 'Alex Cross,' Tyler Perry stars as a detective out to capture the psychotic man responsible for murdering a member of his family.

'The Sessions' stars John Hawkes as a man afflicted with polio and confined to an iron lung who hires a sex worker to help him experience a physical connection for the first time in his life.

'Paranormal Activity 4'

Directed by Ariel Schulman and Henry Joost

Starring Katie Featherston, Kathryn Newton and Matt Shively

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'Alex Cross'

Directed by Rob Cohen

Starring Tyler Perry and Matthew Fox

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'The Sessions'

Directed by Ben Lewin

Starring John Hawkes, Helen Hunt and William H. Macy

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