While traveling through the town of Mayberry, Danny Williams is pulled over for running a stop sign by Sheriff Andy Taylor. He refuses to pay the fine and decides to spend the night in jail after discovering that the sheriff is also the justice of the peace, newspaper editor and mayor.
Sheriff Andy Taylor (Andy Griffith) and his young son Opie (Ron Howard) are in need of a new housekeeper. Andy's Aunt Bee Taylor looks like the perfect candidate and moves in, but her presence causes friction with Opie.
Andy and his bumbling deputy, Barney Fife, offer to help track down an escaped convict, but the Captain of the State Police scoffs at the small-town sheriff's help.
When Mayberry's local pharmacist falls ill, his niece Ellie Walker steps in as a temporary replacement - and creates turmoil with the town's resident hypochondriac.
It's the annual church picnic, and when Andy invites Ellie to the event, he begins to suspect that she has marriage on her mind - so he hastily arranges for three of Mayberry's most eligible bachelors to lavish attention on her.
Andy teaches Opie about how important it is to keep a promise, only to have that lesson conflict with his need to help Opie's friend who ran away from home.
When Barney's bumbling law enforcement techniques are questioned, Andy and Ellie decide to stage a fake robbery - a scheme which turns Barney into a real hero!
Andy is dismayed when Opie refuses to contribute money to the school charity drive - but there is a secret reason behind Opie's apparent "selfishness".
Andy hopes to finally bring peace to two of the county's longtime feuding families, the Carters and the Wakefields - by arranging a duel between the two patriarchs of the quarreling clans!
It's a battle of the sexes when Ellie Walker decides to become the very first woman to run for a seat on the Mayberry City Council - and the town's horrified menfolk decide to sabotage her new found political career.
Mayberry's local "Scrooge," storeowner Ben Weaver, manages to have harmless bootlegger Sam Muggins thrown into jail on Christmas - but the Mayberry folks manage to celebrate Christmas with Sam in a most unusual way.
Ed Sawyer, a mysterious stranger, arrives in Mayberry and disrupts the lives of the townspeople because he appears to know everyone's name, intimate details about their lives, and other startling facts about them.
Lights! Camera! Chaos! A Hollywood producer chooses idyllic Mayberry as the backdrop for his next movie, and the entire town goes into a frenzy as they gear up for the anticipated glamor, fame and fortune.
Andy performs some slick dealings with an antiques dealer to get rid of the town's old, worthless cannon. But when young Opie later mimics his father's shady deal to obtain a pair of roller skates, Andy has second thoughts about his own wheeling and dealing.
The Mayberry town council wants to end the annual Founder's Day celebration with a beauty contest, with Andy chosen to pick the winner. The result is pandemonium as candidates of all shapes and sizes descend on the hapless "judge".
Opie comes to the courthouse talking about a "flower-making machine" owned by sisters Clarabelle and Jennifer Morrison, the spinsters who run the local flower shop. Andy and Barney do a little investigating and discover the contraption is actually a still and the kindly sisters are in the moonshining business!
Mayberry newcomers Fred and Jennie Boone are constantly causing domestic disturbances with their fighting, so Andy decides to play marriage counselor to the bickering couple - with disastrous results!
A record promoter arrives in Mayberry, intent on making a recording of the region's local folk music, but Andy becomes wary of the stranger and suspects he might be a con artist seeking some fast cash.
When Andy has to leave Mayberry for the day to testify in a court case held in Centerville, Deputy Barney Fife is left in charge of the sheriff's department - and he proceeds to arrest everyone in Mayberry!
A notorious, nationally known con man dubbed "Gentleman Dan" becomes a hero of epic proportions to Aunt Bee, Opie and Barney when he is held for two days in the Mayberry jail.
Andy makes an earnest attempt at matchmaking to help Barney win the heart of his girlfriend Thelma Lou. Things go fine at first... until Barney misinterprets Andy's efforts and thinks he's trying to steal her away!
Aunt Bee must leave Mayberry to care for a sick cousin, but not before scolding Andy and Opie for their messy housekeeping habits. The two are determined to clean house before she returns - a project that suddenly accelerates when she phones to say she'll be coming home earlier then expected!
Andy must make a hasty, ill-advised marriage proposal to Ellie Walker after he comes convinced that the new, handsome young doctor in town is trying to steal his girl.
The Women's Historical Society is all set to throw a celebration in honor of the last living descendant of a Revolutionary War hero named Nathan Tibbs, who has been traced to Mayberry. But their excitement turns to horror when they discover that the intended honoree is the town drunk, Otis Campbell.
When a state inspector arrives in Mayberry to check the jail and courthouse, Andy and Barney are shocked to discover he's a by-the-book stickler for rules and regulations. Things look shaky until Andy is able to demonstrate the "Mayberry way" of fighting crime.
Ellie Walker takes pity on a shy tomboy named "Frankie" Flint and is determined to give a "Cinderella" makeover to the young girl - much to her gruff father's displeasure.
Andy, faced with the unpleasant task of serving an eviction notice on a family who has fallen on hard times, tries desperately to come up with a way for the tenants to keep their home.
Barney is convinced that the new, mysterious farmer in town warrants further investigation. Andy finally agrees to pay a visit to the man's farm - and finds himself drawn into a predicament he never imagined he'd find himself in.
Barney's reputation as a deputy soars when he inadvertently helps capture Eddie Brooke, an escaped convict. But Brooke vows to escape again and head straight back to Mayberry to exact his revenge.
The good folks of Mayberry welcome the return of Jim Lindsey, a local guitar player who has made it big playing for Bobby Fleet and his Band with a Beat.
After being scolded by Aunt Bee, Opie decides to run away from home... a plan that quickly turns into a series of eye-opening - and sometimes dangerous - adventures for Opie and a scare for both Aunt Bee and Andy.
When an attorney is sent to Mayberry for law enforcement training, Barney mistakenly believes the man is his replacement and quits the police force to become a vacuum-cleaner salesman.
Andy gives an attractive young woman from Washington D.C. a speeding ticket. She proceeds to manipulate the townsfolk with her charm and wit in order to undermine Andy's case against her.
After the town council forces Andy to evict a poor elderly man for not paying back taxes, a 100-year old savings bond issued by the city of Mayberry is discovered among the man's possessions. Now the city apparently owes him $349,119.27.
Andy and Opie are going fishing when they come across a wanderer who impresses Opie with his good humor and 'magic fish talk'. The man's name is Dave Browne and it isn't long before Barney hauls him before Andy for vagrancy. Dave isn't booked and he continues to form a bond with Opie.
The town of Mayberry is awarded with having the lowest crime rate in the country. Two men posing as an FBI agent and press photographer come to Mayberry to congratulate the town. Andy, Barney, and the rest of the town do not realize that the two are actually impostors and partners in crime preparing to rob the Mayberry Security Bank.
Aunt Bee has hired Mr. Wheeler to help with the flowers around the Taylor home. Andy's not to sure about him but Aunt Bee is quite taken with him. When Andy notices how taken with him Aunt Bee is he relaxes and agrees to let him stay on and help around the house.
Roger Courtney invites Andy to come up to the state capital and meet the membership committee of The Esquire club and be considered for membership. Andy accepts the offer but tells him he'll be bringing Barney along also. Barney is very excited at the prospect of joining this exclusive club but he's worried that Andy may need a bit of polishing.
Aunt Bee and Clara Johnson are both jarring homemade pickles. The only difference is that Clara's are good enough to have won the blue ribbon at the fair eleven years counting while Aunt Bee's taste like they've been floating in kerosene.
Jeff Pruitt, a farmer from the hills, comes to Mayberry in search of a wife. He expects to spend a single afternoon on his search. He enlists Barney and Andy's help.
Opie joins a secret club and is in charge of the candle they use in their meetings. After the barn where they meet burns down, he is accused by the owner of starting the fire
When a pretty young manicurist starts working in Floyd's Barbershop. The men are uneasy about it at first, but eventually take to the idea in a big way. Their jealous wives, however, do not.
The state police come to town to catch some payroll robbers. They want Andy and Barney to stay out of the way and let them handle it. The big boys end up needing Andy and Barney more than they thought.
After Clara convinces Aunt Bee that Andy can't possibly find a wife as long as she's still living with him, Bee begins half-heartedly searching for a man she can marry herself off to.
Barney's awkward cousin visits and makes a mess of everything he tries. When Andy finds something that Virgil is good at, he finds a way to teach him self-confidence.
Aunt Bee leaves town for a few days, leaving Andy and Opie to take care of themselves. When Peggy volunteers to cook for them, Floyd tries to convince Andy that she is trying to catch a husband.
Barney and Floyd run out of gas while coming home from a fishing trip. They find while looking for a telephone and are captured by three female escaped convicts.
Barney is the only tenor in the choir. When a tenor solo part is required and the choir director is desperate to find someone else to sing the part. Gomer becomes the replacement.
Ben Weaver complains to the Mayberry sheriff's office that merchandise has been disappearing from his department store. While Andy investigates, Barney decides to go undercover to catch the crook(s).
On Barney's fifth anniversary with the sheriff's department, Andy learns that Barney's job is in jeopardy when the state passes new height and weight requirements.
Barney and Thelma Lou have an argument. They reconcile quickly, but it leads to other arguments between Andy and Barney, Thelma Lou and Helen, Andy and Helen, and another between Barney and Thelma Lou.
Barney tries to rehabilitate Otis after he rides a cow, thinking it is a horse. Barney arrests Otis when it happens again, even using handcuffs. Otis leaves town and vows to never return.
When Andy and Barney get tired of Goober tagging along on their dates, they decide to try teaching him how to act around women and then get him to ask a girl on a date. It proves to be quite a project.
Barney makes a triumphal return to Mayberry to attend his high school reunion and is elated to find Thelma Lou will be attending...until he learns she is with her new husband.
Andy is concerned about the appearance of favoritism when he decides to umpire a crucial junior baseball game for Opie, but ends up angering the town when one of his decisions loses the game for Mayberry.
Andy and the town of Mayberry undergo a trying experience when the hillbilly Darling family comes into a fortune of $300 and shows up in town looking for brides for the boys.
Helen Crump and her teenaged students find themselves at odds with the crotchety old school principal over the content of a play, but eventually convince him that today's youngsters are not that different from his own generation's.
Fishing season begins, and the town's sportsmen are all eager for a chance to catch "Old Sam", the biggest fish in the lake. Howard, a non-fisherman, tags along and antagonizes everybody by catching him.
Nobody in Mayberry wants to be the first to see if the town's new doctor is qualified, until Andy shows his faith in the young doctor by letting him remove Opie's tonsils.
Andy looks forward to spending an evening alone in the house. However, due to Goober's error, he has a filling evening when he must eat three spaghetti dinners cooked by thoughtful friends.
Andy visits Barney, now with the Raleigh police department, and makes a hero out of his bumbling former deputy when he assists him in solving a string of supermarket robberies.
Detective Barney Fife pays a visit to his old hometown. At the same time, a now-famous movie star who used to date Barney has returned to Mayberry for a motion picture premiere, and Barney is her escort.
Howard Sprague becomes a comedian and appears on television with jokes about his hometown, and inadvertently rubs his friends the wrong way with his routine.
Opie has trouble coming up with a subject for his writing assignment, and Andy gets distressed when Opie eventually chooses someone else as the subject.