All 22 episodes from season four-including "Small Victories," "Scorched Earth," "Tangent," "The Light" and "Exodus"-have been collected in a deluxe five-disc set. 16 1/2 hrs. total. Widescreen (Enhanced); Soundtrack: EnglishDolby Digital 5.1; audio commentary; featurettes; "making of" documentary. **22 episodes on 5 discs. 16 1/2 hrs.**
