Mary Lansing

Colonel Harvey, a travelling 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 analyse Harvey's elixir.

Opie meets Arnold Winkler, a spoiled kid who teaches him how to manipulate Andy into increasing his allowance by throwing tantrums.

Andy uses his wits to help a struggling salesman, despite strong pressure to put him out of business.

With the courthouse full of moonshiners, Otis has to serve his jail time for public intoxication at the Taylor house under the supervision of Aunt Bee.

Aunt Bee drops hints that she wants a bed jacket for her birthday, but Andy is oblivious. When he realises 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.