Lou and Rhoda find they have a lot in common and begin seeing each other on a casual basis but everyone assumes that the romance is serious.
Hawkeye learns a patient was beaten up in his unit because he's homosexual, and Frank wants the soldier drummed out of the Army.
The Bunkers are in a panic after Archie eats a stew made from mushrooms that might have been contaminated.
J.J.'s painting of a Black Jesus, becomes the family's good luck charm after a string of success hits each family member. However, Florida refuses to entertain the notion that the painting had anything to do with the recent string of ""good times"".
Grady has been left in charge while Fred is visiting family in St. Louis and has promised to look after Lamont who comes home with a bloody nose, courtesy of Jo-Jo Jackson, after a fight over a woman. After taking a couple of karate lessons, Lamont goes back to the bar to confront Jo-Jo. However, a concerned Grady, decides tries to intervene.
When an FBI agent makes a visit to check Mike's security clearance, Bobby and Oliver both become convinced that Mike is working on some plans for a top secret project. They later become suspicious of Sam and become convinced that he plans to steal the ""secret plans"" and pass them on to the Russians.
Stone looks for the arsonists who set a fire that killed two firemen.
A girl thought to have died years previously turns up at the home of her mother just as her brother is found murdered. Clearly somebody is trying to kill the family off, but is it connected to the girl, and is she really who she says she is?
The Children get a Ouija board from Ike. Olivia and Grandma have misgivings about the children playing with it and speaking to it's spirits.
Caine must defend prostitutes that want to start a new life with land bequeathed to them, from cattlemen that want to seize it for themselves.
Vera Lynn sang of a lovely day tomorrow, but the war in Burma was mud and monsoon. Britain's largest army learned to master the jungle and fought the Japanese to standstill.
A small time crook prepares to pull a big robbery to flee a pending murder charge.
A small but powerful prototype engine sits sealed in a rotating display case in the middle of a crowded trade-show floor. A power failure turns out the lights for a few seconds, and when the lights return, the rocket engine has vanished. Banacek must beat his competition to the solution before Federal agents step in.
Richie buys tickets to a rock and roll show from Fonzie but has to work at the hardware store when Howard needs to have his tonsils removed. Because he'll be working until 9:00 PM, he won't be able to go to the show, so he asks Fonzie for a refund. Later, Howard tells Richie that he can close the store at 5:00 PM leaving him free to go to the show. He, now, has to ask Fonzie for the tickets back.
Emily Brings home a bottle with some bits of wood in it. Professor Yaffle tells them it is a ship-in-a-bottle. Bagpuss finds this puzzling, wondering where it would sail to. With the help of a nursery rhyme and a poem about Mermaids, the ship is magically reassembled.
A special robot wants to destroy other cities and this time it is even more dangerous because children like it.
Walter is a nervous wreck as the Findlays get a tax audit but the tax auditor, Harvey Clarke, turns out to be a man who tried to rape Maude 31 years ago in Boston, Massachusetts. When she tells Walter he doesn't want to do anything about it, but Maude can't let it go and decides to refresh his memory.
After being forced to shoot a man who is breaking up the Long Branch, Matt goes off to be alone only to find a young girl and a newborn in a cave. Neither she nor her parents want the child, and they send it with Matt. Matt finds the only logical choice, Miss Kitty, to deposit the baby with till something can be done with it. Matt decides to give it to the widow of the man he just killed but doesn't realize that Kitty is willing to sell the Long Branch to keep the baby for herself.