again Atom was right from he beginning, i compared more the rear fender perfectly matches with single rear axle version and cabin etc
http://imcdb.org/vehicle_607667.html
made for movie, i even asked a military vehicles freak and neither he didn't know
it could based on serbian VIU-55 Munja which itself based on T-55 but doesn't quite look it and that never has the zsu-23 AA gun
i watched the episode myself, plot happens in Balkans and required some AA vehicle to shoot at aircraft
another reason why this is fake IMO because the gunner is outside the vehicle operating the gun, something a NO-NO for any real post ww2 military vehicle
http://imcdb.org/vehicle_583537.html