Mary Lansing

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

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.