When SWAT Commander Rigg is abducted and thrust into a game, the last officer untouched by Jigsaw has only ninety minutes to overcome a series of demented traps and save an old friend, or face deadly consequences.

Title from container. Originally released as a motion picture in 2007. Special features: Audio commentary with director Darren Lynn Boussman and actor Lyriq Bent; Audio commentary with producers Oren Koules, Mark Burg and executive producters Peter Block and Jason Constantine; Darren's video diary; the traps of Saw IV; the props of Saw IV; Saw IV music video by X-Japan; bonus deleted scene.