Oz: The Complete Fourth Season (Disc 1 of 3) (2004) Rating: Starring: Kirk Acevedo, Adewale Akinnuoye-Agbaje, Betty Buckley, Anthony Chisholm, Kathryn Erbe, Rick Fox, Luis Guzman, Ernie Hudson, Zeljko Ivanek, David Johansen, Terry Kinney, Christopher Meloni, Rita Moreno Director: Tom Fontana Category: Television Studio: Warner Bros. Subtitles: English,Spanish,French Length: 960 mins     The Millennium ended with a bang at Oswald State Correctional Facility, Level Four - aka, Emerald City - as racial tensions reached an all-time high. now, following a two-week lockdown and the appointment of a new Unit Manager things are definitely changing, but not necessarily for the better. Prison officials are looking for ways to end the hostilities and return Emerald City to normal...but when was Em City ever normal? And if anyone thinks the worst is over for OZ, they're wrong - dead wrong.