'Paranormal Activity 3' trailer is now online

Paramount Pictures has released the teaser trailer of the third Paranormal Activity movie, 'Paranormal Activity 3'.

This time, Henry Joost and Ariel Schulman (directors of "Catfish) were hired as its director, while the script was once again written by Christopher Landon.

The movie appears to be a prequel since it focuses on young Kate in the late-'80s.

'Paranormal Activity 3' hits theaters on October 21, 2011.

Check out the 'Paranormal Activity 3' trailer video below:

'Paranormal Activity 3' trailer | Video courtesy of Paramount Pictures