All 26 episodes from the fourth season of the American crime series in which a hospital consultant helps the local police to solve their toughest murder investigations. Although he oversees a hectic department at Community General Hospital, Dr. Mark Sloan (Dick Van Dyke) isn't averse to helping out his detective son Steve (Barry Van Dyke) on some of his more mysterious cases, along with pathologist Dr. Amanda Bentley (Victoria Rowell) and E.R. resident Dr. Jesse Travis (Charlie Schlatter). The episodes are: 'Murder By Friendly Fire', 'Murder Can Be Contagious', 'Murder On Thin Ice', 'X Marks the Murder: Part 1', 'X Marks the Murder: Part 2', 'A Model Murder', 'Murder Can Be Murder', 'An Explosive Murder', 'Murder By the Busload', 'A Candidate for Murder', 'The ABCs of Murder', 'Murder in the Family', 'In Defense of Murder', 'A History of Murder', 'Murder Two: Part 1', 'Murder Two: Part 2', 'Hard-Boiled Murder', 'Murder, Country Style', 'Delusions of Murder', 'A Passion for Murder', 'Blood Brothers Murder', 'Physician, Murder Thyself', 'Murder in the Air', 'The Merry Widow Murder', 'Comedy Is Murder' and 'The Murder of Mark Sloan'.