An amusement park owned by a retired Marine colonel is being repeatedly vandalized so the manager hires the Simons to work undercover but the more they learn about the vandal, the more they question who the real villian is.

The Simons' world turns upside down when the brothers discover the car that their father had died in was driving down the street. They stopped the driver to discover it was indeed their father's car, but he knew nothing - it had been bought at an auction the month before. Cecilia wouldn't believe the boys at first, but they finally convinced her it was the same car. While she and Rick couldn't believe he was still alive, AJ clung to the hope that he was, to the point of striking his brother. Both were horrified by how close they'd come to really hurting each other and resumed their search for the truth. After a long, frustrating search, they finally discover that Jack Simon hadn't died in a fiery car crash on a rainy night. He'd actually died months later of radiation poisoning, contracted when he was stopping some terrorists of stealing the radioactive materials. Jack's old boss and good friend shows them the cabin where he had really died and gave them the key. Inside the one-roo

Rick and AJ receive a letter in the mail and when it arrives at the office it's 23 years after it was sent, but contains a clue to the murder of the letter writer, who died the day after he mailed it.

Immediately after the Simons serve a man with divorce papers, he commits suicide-or does he.?

Rick and AJ are in Hawaii tailing a con artist who Higgins has just entrusted with $350.000 proceeds from his charity event-the three follow her to South America where they reel her in with a con of their own, using a huge emerald and AJ as bait. The crossover starts on Magnum, P.I. S03E03 Ki'i's Don't Lie (I)

Rick and AJ are hired to transport a valuable classic car to San Francisco but events along the way make them wonder if there isn't more here than meets the eye.

Rick and AJ have more than they can handle when they accept a job transporting a huge man who was placed in a mental institution by his brother, only to find out he is as gentle as a lamb, and the trouble they run into against his brother makes them enlist the help of their very huge friend.

There is a clue to the murderer of a cartoonist in one of his comic books.

A banks computer system is being accessed by a young computer whiz, who helps himself to a little spending money. One of the bank's officials wants to know how the boy does it, and hires the Simons to find out.

Complications from their current case put Rick and AJ before the state licensing board to answer charges from an incident in Florida several years earlier, when AJ was engaged to Janet and working for Myron at Peerless Detectives. The incident is revealed in flashbacks taken from 1980 made for TV-""Pirate's Key"", which was the basis of the series.

After she finds new evidence, AJ's former girlfriend shows back up in his life to have him and Rick look into her brother's death, which could possibly have been a murder, trouble is it was eighteen years ago and it uncovers more than that.

A dolphin is abducted, and Rick and AJ have to find him and bring him back before his mate starves herself to death.

AJ is robbed while delivering $450,000 in diamonds, and he and Rick have to find them soon, not only is AJ the FBI's prime suspect, they are also on the hook for the first $10,000 of the insurance settlement.

One of the old-time TV cowboys (a Saturday morning hero of young Rick and AJ) is accused of killing his show's producer when a young actor is hired to revive his old role.

Rick's former girlfriend asks him to find her missing husband and then she is arrested for his murder.

When Rick's pestering drives AJ to take advantage of mom's offer to share the large suite she was given (instead of a small room) at a northern California resort, he cramps her style when he tries to prove that he witnessed a murder-that nobody will believe really happened.

A restuarant critic is killed, and his partner hires Rick and AJ to find out why and by whom.

A threatened bridegroom begs for help a few days before the wedding, who doesn't want the bridegroom to get married?

After returning home from a date and spurning his advances, Cecilia's power is knocked out and she is beaten and raped by a man she can't see. AJ, who'd been on the phone with her when she was was attacked, rushed to her aid, but got there too late. Rick joined AJ and Abby in the waiting room, horrified to discover his mother has been so brutally attack. He vows vengeance while AJ withdraws into himself, unable to speak about it. They go in to visit Cecilia and find a deeply hurt and defensive woman. The brothers are both enflamed by her pain, and both start to look for the monster who did this. Rick is sure it is the man Cecilia had been out with, and goes about trying to prove it. AJ, meanwhile, is equally sure it is the gardener, who'd been seen skulking around Cecilia's house. They are both sure the other is completely wrong. Things become strained between all of the Simons - Cecilia doesn't want her boys hovering over her, and the brothers are angry with each other. After Rick b

Rick uses some of his old and shady contacts when he and AJ try to recover the stolen sports car of a pretty co-ed who Rick is determined to impress.

The Simons uncover a robbery scheme within a dating service while trying to recover stolen antiques insured by a beautiful agent who has her eye on AJ, past experiences with her tell them not to trust her, but who can they trust?

AJ poses as a student and Rick becomes a subject in a psychologist's experiment to investigate the death of a track star who died in a suspicious fall from a fraternity house roof.

Complications from their current case put Rick and AJ before the state licensing board to answer charges from an incident in Florida several years earlier, when AJ was engaged to Janet and working for Myron at Peerless Detectives. The incident is revealed in flashbacks taken from 1980 made for TV-""Pirate's Key"", which was the basis of the series.

Rick and AJ's good friend, the coroner, asks the brothers to deliver a new video game to Las Vegas and they don't understand just how valuable it is until thieves attack.

The mayor of Abalone Bay (aka as Sin City) hires the Simons to prove that his ex-wife, the chief of police, is trying to kill him, but when they get there, it's the mayor who's being indicted for murdering the chief.