After being away for awhile, Andy Taylor returns home to Mayberry to visit Opie, now an expectant father. While there he ends up helping Barney Fife mount a campaign for sheriff.
Agatha Knabenshu arrives in a small town in Missouri to sell player pianos to the locals. She's fired after her disastrous sales attempts nearly destroy the town. The stranded saleslady becomes friendly with an equally bumbling inventor and moves in with his family. The two then try to sell his automatic milking machine, but things turn sour when their demonstration causes a stampede.
Jesse W. Haywood (Don Knotts) graduates from dental school in Philadelphia in 1870 and goes west to become a frontier dentist. Penelope "Bad Penny" Cushing (Barbara Rhoades) is offered a pardon if she will track down a ring of gun smugglers. She tricks Haywood into a sham marriage as a disguise. Haywood inadvertently becomes the legendary "Doc the Haywood" after he guns down "Arnold the Kid".
Don Knotts is Roy Fleming, a small town kiddie-ride operator who is deathly afraid of heights. After learning that his father has signed him up for the space program, Roy reluctantly heads for Houston, only to find out upon arriving that his job is a janitor, not an astronaut. Anxious to live up to the expectations of his domineering father, Roy manages to keep up a facade of being an astronaut to his family and friends. When NASA decides to launch a lay person into space to prove the worthiness of a new automated spacecraft, Roy gets the chance to confront his fears.
Luther Heggs, a typesetter for the town newspaper, pitches an idea for a story about a local haunted house where a famous murder/suicide occurred 20 years earlier. After the editor assigns Luther to spend one night alone in the mansion, Heggs has a number of supernatural encounters and writes a front page story that makes him a hometown hero...until the nephew of the deceased sues him for libel.
Luther Heggs, a typesetter for the town newspaper, pitches an idea for a story about a local haunted house where a famous murder/suicide occurred 20 years earlier. After the editor assigns Luther to spend one night alone in the mansion, Heggs has a number of supernatural encounters and writes a front page story that makes him a hometown hero...until the nephew of the deceased sues him for libel.
To help his divorced neighbor claim a substantial inheritance, a family man poses as her husband. The ruse spills over into his career in advertising, and his recent promotion relies on his wholesome and moral appearance.
