Mrs. Drysdale wants to get rid of the Clampett's before the arrival of Mrs. Smith-Standish, the head of a 'first family' historical society. But Smith-Standish goes to the Clampett's first and becomes enchanted with their antiques and way of life. She also finds evidence that Jed's ancestors came to America prior to the arrival of the Mayflower. She ropes Mrs. Drysdale's into helping with chores done the old way, to Mrs. Drysdale's horror.
Racketeer Gus Ducek is fingered to be knocked off. But when the car with the hitmen drives towards him, Ducek's boys fire back with machine guns, turning the tables; one hitman dies, Boley Davis escapes. Watching the botched rubout attempt are Lt. Philip Hedden and Sgt. Davey McCain. Eliot Ness and his men are out to pin the murder attempt on Hedden, since the hitmen were driving one of his cars.
Aunt Bee becomes depressed about her age and falls for the charms of Colonel Harvey, a traveling medicine man selling a magic elixir to restore her youth. By the time Andy and Barney discover the secret behind the elixir, they find he has gotten the entire Ladies Aid Church Committee under his spell!
New arrival Mario Arsatti becomes very friendly with Lucas, but this turns out to be merely pleasure before business: he's been hired to kill Lucas.
Adam takes a shine to Rebecca Kaufman, the daughter of a Jewish peddler, and bandits are convinced the Kaufman wagon is worth robbing.
A holiday for Steed in Greece is, of course, no straightforward affair. A deep-sea diver dies in mysterious circumstances, whilst bathyscope experiments are taking place on the yacht where Venus is singing.
Two men want to rob the bank in Dodge, but are unwilling to try it while Matt lives. A man agrees to accept the job of killing the marshal, attaching some rather peculiar conditions to his acceptance.
A continuation of the dramatic anthology series Alfred Hitchcock Presents (1955) hosted by the master of suspense and mystery, Alfred Hitchcock.
Barney learns how to throw his voice and can't resist having some fun at Fred's expense. He leads Fred to believe that his newborn daughter Pebbles has miraculously learned to talk.
A man travels back in time to try to prevent some of history's catastrophes.
When rival banker Bill Hacker challenges him to a skeet shoot, Mr. Drysdale has no choice but to enlist the sharpshooting skills of Jed by making him a bank vice president. But, when Hacker finds out about Drysdale's scheme, he demands that he be allowed to pick a different employee. Hacker sees Granny cleaning Jed's office and, assuming she is the cleaning lady, picks her. The only thing is, Granny is just as good a shot as Jed.
January 1932. Smalltime bootlegger Al Remp is serving 3-5 years in prison; he's done 3 years and is up for parole next week, but it seems he won't get it. The guards put him in solitary, and Remp has a visitor: Eliot Ness. Remp tells him, ""I got nothing to say to you."" But Ness tells him that if he agrees to help him nail bigtime bootlegger ""Fat"" Augie Strom, his former boss, he'll get that parole; or else 2 more years is a long time.
Opie complains to Andy about how his new history teacher Ms. Crump is a mean old woman who likes to assign extra homework. Andy tells Opie it's not important if he doesn't know every answer, which leaves Opie believing history isn't important. Now Andy has to show Opie, and his class, how much history matters before Ms. Crump decides to quit.
Lucas begins a trek to find a cure for Mark, who is paralyzed after a bad fall.
Hoss develops amnesia after being bushwhacked and hit over the head by two outlaws and moves in with a Dutch couple. The woman regards him as a substitute for her dead son, and unless he recovers his memory, the other Cartwrights fear he will leave them forever.
A bad sneaky student switches Elroy's report tape with his own, which consists of 4 D's, a "F", and a "H", but Elroy's family doesn't believe him so he runs away with Astro and gets mixed up with a mob who's robbing a bank.
The Marfia aren't about to let Steed get in the way of their lucrative drug-smuggling operation between Britain and North America, and arrange for him to be assassinated. Steed survives, and tracks his intended killer to a circus, where some of the clowns prove to be anything but figures of fun.
Two ne'er-do-wells come to town and soon cook up a plot under which half-Comanche blacksmith Quint Asper is framed for the theft of a horse. The atmosphere in Dodge quickly becomes dangerously ugly for Quint.