Check out this eerie international trailer for the James Wan-less Insidious: Chapter 3, which acts as a prequel to the previous two films and explores more of the otherworldy phantom zone known as The Further.  Director and actor Leigh Whannell drifts back in time to a domestic haunting targeting a teen prior to the supernatural invasion perpetrated upon the Lambert family. This seriously spooky trailer has some genuine scares, and we'll let you discover the juicy jolts yourself without a hint of "handy" spoilers.  

Knock once for luck and launch into this petrifying preview:

Starring Dermot Mulroney and Stefanie Scott with Lin Shaye, Angus Sampson and Leigh Whannell from the last movies, Insidious: Chapter 3 haunts theaters May 29, 2015.

(Via Geek Tyrant)