Diagnosis Murder

Mark's investigation of a hit-and-run death leads him to a priest; Mark is criticized for treating an elderly patient for free.

A millionaire plans to leave his fortune to the hospital but dies, Dick Van Dyke has multiple roles in the episode.

Illusionist Eddie Clark, friend and a patient of Mark, stops by the hospital with tickets for his last show at the Magic Mansion. When Mark and his guests arrive, they soon discover that Eddie's partner Paul intends to leave their partnership and take all their tricks with him. Later in the evening, Paul is found murdered and Eddie is considered the prime suspect. As a result, Mark turns to Jack, Amanda, and Steve's help to prove Eddie's innocence, and as result, decide to hold their own impromptu magic show to help him out.

Dr. Sloan is caught in a police vie raid when he investigates the murder of a prostitute whom he once treated for mysterious bruises.

Sister Michael, a nun at the nearby convent,  played by former Sugarbaker diva Delta Burke, enlist the help of her friend, Mark Sloan, to solve a murder that took place at the convent. Mark goes undercover as a priest in an effort to find out who killed the nun's friend, a young producer who did a video for the church.