Ryan MacDonald

An industrial but pre-warp planet's dangerous polaron technology seems to be the cause of a planet-wide wipeout discovered by the Voyager crew -- or did the visitors actually cause the problem in the near past?

A wealthy psychiatrist (George Hamilton) murders the husband of his mistress to protect his own reputation.

Joey, a young man who helped Mannix out on a previous case, shows up in the detective's apartment, injured from a beating. Mannix hides Joey and gets a call out to the police just before the apartment is overrun by hoods. Mannix is beaten and when he wakes up, Joey is gone.

Mannix is hired by a secretive multi-millionaire to find his ex-wife. At least that's what he has been told when he takes the job. The ex-wife, a prominent singer, supposedly committed suicide but has been seen since her supposed death. As Mannix pursues the trail, it becomes clear he hasn't been given the entire story.

The Harts investigate a murder when someone dies abruptly after eating poisoned cake during Jennifer's favorite aunt's wedding. Which of the guests is behind this?

When her high school sweetheart from Appleton, Wisconsin arrives in town, Mrs. Garrett apologizes for dumping him years before. They begin to rekindle their romance, but the girls fear they are moving too fast when they announce a wedding.