This taut 2008-2012 crime drama chronicles the exploits of the Strategic Response Unit, an elite police squad that deals with everything from hostage rescue and bomb threats to gang violence and teen suicide. While highly trained in the use of deadly weapons and tactics, the SRU's greatest strength is often its officers' intuition and quick-thinking. Enrico Colantoni, Hugh Dillon, Amy Jo Johnson, David Paetkau star. 88 episodes on 18 discs. 52 1/3 hrs.