The arrival by sea of a large crate destined for Robin Masters leads Magnum into a bizarre situation involving a wealthy Japanese businessman, his errant daughter and a fortune in pearls.
In this episode, we learn that Alex can be a compulsive gambler. Alex even scares Louie off with his compulsion, but Jim talks some sense into Alex at the end (after having bankrolled him initially).
Howard and Marion come to Chicago to visit Joanie at her apartment after Chachi answers Howard's phone call late the night before. When they arrive, Chachi is there wearing Joanie's bathrobe and shower cap.
Jake, posing as a defecting U.S. scientist, and Sarah search for an experimental German bomb and a famed black pearl.
In her determination to start a new life with her husband Richard's business rival Vincent, Theo flees to Paris with Vincent. But bad news follows quickly - Richard's business has collapsed. Theo returns to find that Richard has been less than honest with her, and that more than his job is at stake.
Joanie and Chachi come back to Milwaukee after spending the summer in Chicago. Joanie wants to move there to be with Chachi and to continue their music career. After telling Howard and Marion her plans, which include attending Northwestern University, Howard refuses to let her go.
The Harts witness a murder when the spiritual mentor and bridegroom of Jennifer's aunt meets an untimely death.
Smiley continues his investigation, now looking for a man named Otto in a small fishing community, only to find his decaying body in his boat, and a mysterious chalk mark he's seen before. Smiley talks to the now-perpetually afraid woman.
Ponch and his new partner, Bobby, get off to a rocky start, but when a baby is abandoned, they're determined to work as a team.
Harriet finds a bearer bond from Walnut Grove. She uses this to try to get people to follow her suggestions. She tells the town council that if she doesn't get her way, she will cash in the bond which would force the town to pay Mrs. Oleson over $10,000.
When Tom gets his pants back from Jefferson Cleaners with a stain on them, he wants a refund however George refuses to pay for the pants, charging it was Tom's fault for leaving a candy bar in the pocket. This leads them to take their case to a TV court show.
Willis is completely supportive of Kimberly's transfer into his public school, until his sister's ""innocent"" actions begin getting him into hot water.
Pac-Man and family go to the Pac-Land World Series of baseball. But the Ghost Monsters chomp out both the teams and wind up competing with the Pac-Family in a not-so friendly game in which the monsters pull out every dirty trick up their sleeves to win. Can the Pac-Family overcome the cheating and save the game?
A magic show provides a great diversion for two crook who intend on robbing the bank, and Yabba and Scrappy catch on.
Scooby, Shaggy and Scrappy play basketball against a cheating team.
Boss hired two crooks to rob the jewelry store and Coy and Vance are very suspicious about them and go and investigate while being chased by Cletus and Enos. But when Boss sends Rosco to arrest Coy and Vance, he refuses because he wants to be good so that he will be elected "Lawman of the Year".
In his new role on the Tuscany Valley County Board of Supervisors, Chase meets resistance in his efforts to break Angela's grip on county water supplies. When Melissa tells Carlo about her ambitions to control Falcon Crest, Carlo informs his daughter that she faces a powerful rival in Richard Channing, who is rumored to have ties to the C.I.A. and the British Parliament. Richard shows his ruthlessness by firing The Globe's longtime editor-in-chief, Herb Talmadge, who was only a year from retirement and a pension. After Angela tells Richard that he looks nothing like his father Douglas, Richard explodes after she leaves, vowing to ruin her.