Diagnosis Murder

Part 1 is also known as "Deja Vous". The feuding neighbors were added at the end to connect it to part 2. It originally aired as a single episode.

This 2 hour episode was originally dubbed "Deja Vous"

This episode is similar to an incident in 1990, when 22-year-old Pamela Smart seduced a teenage boy and had him kill her husband.

Dick Van Dyke also plays the role of his look-a-like, Gangster John 'Mr. G' Gotti.

Dick Van Dyke also plays the role of his look-a-like, Gangster John 'Mr. G' Gotti

In this episode we find out that Amanda was a foster child, just like Victoria Rowell was herself.

In this episode, Dr. Sloan tells Steve about the time his brother went chasing after him with a nine iron while sleepwalking as naked as a jaybird.

In this episode, Dr. Sloan admits that he had committed a mercy killing back when he was an intern at Community General.

When Tommy was punchinig some guy and Steve comes up and grabs Tommy and say, i'll deal with you later, Tommy is smiling at Steve!

The opening sequence of the show (a department store being bombed on a crowded street scene), looks remarkably similar to the opening sequence of the movie Die Hard with a Vengeance.

Loretta Switt and Sally Kellerman played Hot Lips Houlihan on MASH; Loretta on tv, Sally in the movie.

The history behind the character name of Gordon Ganza is a long one. Its origins are connected with the writing team of Alex Gansa & Howard Gordon, with whom Goldberg & Rabkin worked on Spenser: For Hire. In ep #16 of The Cosby Mysteries (on which Goldberg & Rabkin worked as producers/writers), actor Jordan Clarke portrayed Gordon Ganza. Coincidentally, Clarke acted in an episode of Spenser:... penned by Gansa & Gordon.

According to writer Lee Goldberg, this episode was to be used as the springboard for a potential spin-off series called The Chief, which would focus on Fred Dryer's character of Police Chief Masters.

Ammanda is divorced from Colin.

Ron's first case with the FBI was the oklahoma City bombing.

HGH is not a anabolic steroid, but a combination of naturally occuring amino acids. Anabolic steroids increase testosterone in the body, HGH adds GH to the body.

The director of this epsidoe was Christian I. Nyby II. Who was also one of the directors or Emergency. That's another tie in to Randolph Mantooth, Robert Fuller, and of course Jennifer Tighe.

Emergency! fans will recognize the engine numbers--Squad 51, Engine 110, Truck 8.

Former Emergency actors Robert Fuller and Randolph Mantooth appear in this episode along with Jennifer Tighe who is the daughter of their former co-star Kevin Tighe.

This episode featured several guest actors who played police officers in previous television series: James Darren from T.J. Hooker; Fred Dryer from Hunter; Martin Milner and Kent McCord from Adam 12; and Angie Dickson from Police Woman. Kent McCord also starred with Barry Van Dyke in the short-lived Galactica 1980.