When former carnival man Jerry Miller becomes deputy to Sheriff Taylor, he finds himself jeopardizing Mayberry, making him question his decision to become a lawman.

Rose, the former housekeeper, gets married and Opie is unhappy at her departure. Aunt Bee comes to live with Andy and Opie, and Opie is not exactly thrilled with her.

Gomer gets a visit from the last person on Earth he wants to see—Lou Ann's old boyfriend, Monroe!

The state police arrogantly ask Andy and Barney to step aside while they search for an escaped convict in Mayberry, believing that the Mayberry sheriff's department is not capable of doing "real" police work.

Jim Lindsey is a young guitarist that lives in Mayberry. When the famous musician Bobby Fleet and his band arrive in Mayberry, Andy and Barney scheme to arrest Bobby and his band so that Jim can get an audition.

The platoon's chances to sing in a movie are almost spoiled by Sgt. Carter when it's discovered he can't carry a tune.

Ellie Walker, the local pharmacist's niece, comes to Mayberry to replace him on a temporary basis. Her "new" approach to dispensing medicine shakes things up in Mayberry.