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.

Barney disguises himself as a dummy in an attempt to solve a series of thefts in a Mayberry department store.

Andy's deputy jails Aunt Bee and her friends for gambling at the charity bazaar.

A carnival's destitute banjo player is hired to take Barney's place.

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.

Opie has a crush on his teacher, who is also Andy's girlfriend.