Originally released as a motion picture: Saw IV, 2007; Saw V, 2008.

Wide screen.

Saw IV: produced by Mark Burg, Gregg Hoffman, Oren Koules ; story by Patrick Melton & Marcus Dunstan and Thomas Fenton ; screenplay by Patrick Melton & Marcus Dunstan ; directed by Darren Lynn Bousman ; director of photography, David A. Armstrong ; editor, Kevin Greutert ; music, Charlie Clouser ; costume designer, Alex Kavanagh ; production designer, David Hackl ; visual effects supervisor, Jon Campfens.

Saw V: produced by Gregg Hoffman, Mark Burg, Oren Koules ; screenplay by Patrick Melton & Marcus Dunstan ; directed by David Hackl ; directors of photography, David A. Armstrong, Matthew CooperKay ; editor, Kevin Greutert ; music, Charlie Clouser.

Saw IV: Tobin Bell, Scott Patterson, Betsy Russell, Costas Mandylor, Lyriq Bent, Justin Louis, Athena Karkanis, Simon Reynolds, Donnie Wahlberg, Angus Macfadyen, Shawnee Smith.

Saw V: Tobin Bell, Costas Mandylor, Scott Patterson, Betsy Russell, Julie Benz, Meagan Good, Mark Rolston, Carlo Rota, Greg Bryk, Laura Gordon, Joris Jarsky, Mike Butters.

Saw IV: Jigsaw and his apprentice Amanda are dead. But when the news of Detective Kerry's murder becomes public, two seasoned FBI profilers, Agent Strahm and Agent Perez, arrive in the terrified community. There, they assist veteran Detective Hoffman in sifting through Jigsaw's latest grisly remains and piecing together the puzzle. However, 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. If he doesn't, he will face deadly consequences.

Saw V: Following Jigsaw's grisly demise, Mark Hoffman becomes the final apprentice to the serial killer and is deigned a hero. Meanwhile, Agent Strahm is tested and puts the pieces together. While Strahm realizes that Hoffman is helping Jigsaw, five seemingly unconnected people are kidnapped and forced to complete a series of tasks in order to survive. Strahm follows all the leads that Hoffman gives him, including information on the death of his sister and why he joined Jigsaw. Hoffman and Strahm circle each other until it boils down to a gruesome and bone-crushing finale.

Unrated.

DVD, Region 1, widescreen, Dolby Digital 5.1.

In English, with optional English and Spanish subtitles.