Arriving on DVD December 29 from Lightning Home Entertainment and Lionsgate Home Entertainment is the horror comedy Diagnosis Death. In the flick a supernatural force brings together two lost souls undergoing radical treatment at an experimental drug-testing facility. When the facility is locked down for the weekend and the drugs take effect, the human guinea pigs experience sinister hallucinations pointing to a horrific double murder. Unsure of where reality stops, the apparitions become more and more threatening until the only way to leave the facility alive is to solve the haunting secret. Directed by Jason Stutter. With Raybon Kan, Jessica Grace Smith, Suze Tye, Bret McKenzie, Rhys Darby. Jemaine Clement (from Flight of the Conchords) makes a special cameo appearance. While we’ve already brought you the trailer, below you can check out the first comical clip featuring the star of “Flight of the Concords”.