An old girlfriend of Mike's suddenly arrives at the Bunkers' with a four-year-old boy who she claims is his son.
Lamont buys Fred a new hat for his birthday and then tries to take him out on the town to celebrate. However, a visit to a fancy bar, a movie theater to see Fiddler on the Roof and dinner at a Chinese restaurant are far from a celebration for Fred.
Brett wakes up one morning and discovers that he got married the night before.
This edition looks at the 1920s, which saw America go from an era of unparalelled prosperity to the severest economic depression ever known.
Oscar pulls Felix back into the apartment after he loses his balance while washing the window, and soon regrets his heroism as Felix endeavors to find ways to say "thank you".
Keith wants his own apartment so he can have some peace and quiet to write music. Shirley reluctantly agrees to let him move into a room in the house next door. Having his own place is not what he expects.
Jan discovers her Aunt Jenny looked exactly like her when she was young. Curious about how she looks now and thinking perhaps that is how she'll turn out to look, Jan asks her for a picture of her now. This causes Jan to become distressed since Jenny, now, doesn't look to attractive.
A military-issue fragmentation grenade is used in an attack on two Vietnam veterans, one of whom - a friend of Mark's - is killed. When it transpires that another of the pair's old unit has come under similar attack, the Chief sets out to trap the killer, using Ed in a cunning disguise as bait.
Hannibal Heyes and Kid Curry, two of the most wanted outlaws in the history of the West, are popular "with everyone except the railroads and the banks".
Lee Gibson is convinced that bad luck follows him about and that he can never win - but this time he is determined to do or die when he carries out an armed robbery.
An insurance swindler stages a miraculous recovery from his fake paralysis at a Mexican shrine. An American drifter protects a Scottish widow from the specter of her late husband.
A chemist rigs a bomb in his uncle's car to gain control of his uncle's company, then plants clues to make Columbo suspicious of the company's Vice-President.
Several faces from the past reappear as McGarrett must stop Wo Fat from carrying out his plan, a ninety second attack on a missile tracking base.
The trio and Greer know that a paroled killer plans to get revenge on Pete, but Pete has no idea why the man is out to get him.
Newly falls in love with a woman who could put him in danger, once her past is known.
Lucy Carter, a widow with two teen children, takes a job as a secretary for her stuffy brother-in-law.
Fired ranch hand, Cactus, suggests that Ben is too old to put in a real work's week and challenges Ben to take a job as a ranch hand under the name "Ben Brown". He takes the job to prove himself better than Cactus.
In this crazy episode, Samantha gets a condition which makes her entirely 500 pounds heavier. Dr. Bombay comes and gives her an antidote that makes her lighter...a little too light as she floats to the air! This will be hard to hide when the Prescotts, McMann and Tate's newest clients, has Samantha volunteer for a charity bazaar and fashion show. Sam tries everything to help weigh her down, but to no avail. In a memorable scene, Samantha holds a giant urn on her shoulder as she goes down the runway half floating, half walking in the fashion show. It is there that Darrin comes up with a spectacular slogan for Prescott shoes.
Emil Gadsen has controlled the Syndicate's vice operation in the Northeast U.S. - now he plans to flee the country to avoid an indictment, leading his underling Thor Coffin in charge. Gadsen has a list of officials he pays off that he'll be taking with him - the IMF must get the list. Barney plays a psychic who visits believer Gadsen and warns of someone coming who is ""closer then a brother"" (although Gadsen has no brother), then drugs Gadsen to react in pain to someone showing him the Death tarot card. Then Gadsen and his son Tony meet ""Professor Gadaradz,"" who is Gadsen's lookalike (actually IMF guest-agent Scott). When Gadaradz has a heart attack, the IMF show Gadsen a Death card and he feels sympathetic pains. Barney convinces Gadsen that Coffin kidnapped and is now torturing Gadaradz - Gadsen breaks into Coffin's estate where Willy has snuck in and is fake-torturing Gadaradz. When Gadaradz ""dies,"" and Gadsen collapses in pain, he gives the list (hidden in his watch) to his son Ton