Andy opens a coin laundry to save money for Opie's college education.
Howard proposes marriage to Millie at the bakery where she works.
Andy learns the truth when he sees his cousin alight from a freight train.
Helen gets jealous when Andy's very attractive cousin Gloria stays with the Taylors for a change of environment after she recently got broken up with.
Barney comes across a 19-year-old assault case file between Floyd and Mr. Foley. Determined to officially close the case, he tries to get statements from the parties involved.
Opie and his friend Howie make their own newspaper, the Mayberry Sun, but nobody buys it. After Andy and Barney encourage him to print more interesting stories, Opie decides to publish all the gossip from around town.
Aunt Bee pretends that she is dating a married man to avoid being a third wheel after Clara convinces her that she is preventing romance from blossoming between Andy and Helen.
When two young women get a speeding ticket, they enjoy the attention from Andy and Barney.
The Mayberry band, which has more flats than sharps, gets ready for its annual trip to the state band competition.
Floyd tries to impress his pen pal Madelyn Grayson, a rich widow, by pretending to be a wealthy man. Things get complicated when Madelyn decides to visit Mayberry and meet him face-to-face.
Opie is jealous of all the time his father spends with his new girlfriend, so he feigns several illnesses to keep them apart.
Barney and Floyd run out of gas on their way home from a fishing trip. While looking for a telephone, they are captured and held hostage in a remote cabin by a group of escaped female convicts.
Aunt Bee drops hints that she wants a bed jacket for her birthday, but Andy is oblivious. When he realizes he let his aunt down, Andy goes to great lengths to get her the bed jacket.
Barney sets out to prove that the Mayberry Bank is prone to robberies and is not safe. Disguised as a cleaning lady, he easily slips by the bank teller and accidentally locks himself in the vault.
Barney issues the governor a parking ticket when his chauffeur parks in a no-parking zone. The governor, impressed, visits Mayberry to commend him for doing his job without favoritism.
Andy's knowledge of American history is put to the test by Opie and a new teacher.
Colonel Harvey, a traveling salesman, arrives at Mayberry and captivates Aunt Bee, who buys Harvey's dubious elixir and invites him for dinner. When Andy and Barney find Aunt Bee clearly drunk, they analyze Harvey's elixir.
Malcolm Merriwether, an English tourist, passes by Mayberry on a bicycle. After causing a traffic accident, he agrees to work off the damages as Andy's personal valet.
Barney thinks it's time Andy got married, but Andy has a plan of his own.
A pack of hunting dogs overruns the Mayberry courthouse just as Andy is trying to impress a state official.
The Darling family returns to Mayberry and asks Andy for help in dealing with Ernest T. Bass, a mountain man who keeps pursuing Briscoe's married daughter Charlene.