Private eye Nick Harrigan teaches eager aspiring gumshoes who become suspicious when they notice ice cream trucks mak...

Nick's gun turns up missing—right after Charlene goes off to confront her cheating spouse.

Nick and his students investigate a diamond-stealing racket in a pizza parlor.

The class poses as caterers at an embassy party to rescue a Bulgarian ballet dancer.

Nick's eagerness to help an attractive woman lands him in a trap set by a vengeful racketeer.

Nick and the gang bodyguard a rich woman as she attends a fancy party wearing a priceless diamond.

The class goes undercover as a motorcycle gang to retreive Nick's runaway niece.

Nick's students break into the wrong hotel room while on an assignment to retrieve stolen jewelry.

Nick tries to catch a blackmailer while the class searches her apartment for the incriminating photographs.

Nick and the students investigate a massage parlor to catch a killer.

Silvio witnesses a murder—but doesn't recognize the investigating officer as the killer.

The students search for a bomb while Nick judges a beauty pageant.

Bank robbers take Nick and his students hostage.