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.
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.
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.
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.
Lucy Carter, a widow with two teen children, takes a job as a secretary for her stuffy brother-in-law.
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.
A young man with a Jekyll - Hyde personality becomes a puzzle for Terry and Willie when he gives them a description of a suspected cop-killer. But for Mike and Ryker he poses a different problem: extreme danger.
Tony Blake stages a real life illusion--making it appear that a Alexander Polchek, a scientist from the Soviet Union, is killed so that he can be given a new identity. Thanks to a leak, however, a band of kidnappers is not fooled. They capture the scientist and hold an auction for his secret of extracting oil from shale rock. Californiamagic writes: This episode opens with what appears to be a well thought out assassination of a famous scientist at a public press conference..... But in reality Tony is helping to fake the doctor's death so that the doctor can go under an assumed name, and will no longer have to fear for his life. Why all the trouble? Because this doctor has the secret to extract oil from shale! But even with Tony's help, the bad guys figure out the doctor is not really dead, and kidnap him with plans to sell him to the highest bidder.
Danny has a new girlfriend at school. Renee is Jewish, so Danny pretends to be Jewish. Danny meets her father, who says he would like to meet Danny's family. Danny tries to hide his "little white lie" from his family.
Howard falls head over heels in love with Bob's sister Ellen. Under most circumstances, Bob would find this perfectly acceptable—except that Ellen is getting married to someone else.
The Doctor has been framed as the monster maker by Finch and is on the run from the army, while Sarah attempts to alert UNIT to what Grover is up to.
After a heavy self-promotion campaign, Ted wins his first Teddy Award. When Walter Cronkite comes to the newsroom, Ted assumes that he will be hired by the networks.
A wave of conservation hits the 4077th after a vital supply line is cut, creating a variety of shortages.
The family attends Lionel's engagement party, where his parents discover that one of his fiancé's parents is white.
The crew of Los Angeles County Fire Department Station 51, particularly the paramedic team, and Rampart Hospital respond to emergencies in their operating area.
James is all excited because he's sure he's going to get a high paying job. However, at the interview, he learns that he's too old to join the company's union. Meanwhile, Florida and the kids get ahead of themselves and throw a celebration party for James unaware that he was rejected.
Lamont and Rollo are planning a double date and they have a plan to get Fred out of the house so they can have it all to themselves. However, Fred catches on and Lamont and Rollo must make do with the cramped quarters of Rollo's apartment, but they still have problems, the girls aren't happy with the entire arrangement, right down to the refreshments, that's when Fred steps in.