New height and weight requirements go into effect for all law enforcement officers, which threatens to put Barney out of a job unless Andy can figure out a way to throw around some much-needed weight.

Aunt Bee's sister Nora and her family come to visit and drive everybody crazy. When Nora's husband starts going around town acting like a police officer, Andy decides to give him a taste of the life of a real lawman.

Aunt Bee's old flame Roger comes to town for a visit and starts driving Andy and Opie crazy. Andy tries to give him the benefit of the doubt for Aunt Bee's sake, until Roger threatens to stay forever.

Barney buys an old bloodhound to help him and Andy track down a prison escapee, but he only succeeds in getting them both taken hostage. That's when Andy remembers the dog's one pet peeve.

The Darling family returns to Mayberry seeking a future husband for their 3-month-old daughter. To Andy's horror, they choose Opie, and he finds he will have to scare up a little witchcraft to get out of this one.

Andy and Helen end up before a justice of the peace when Andy forgets his fishing license during their picnic. When word reaches Barney, he believes they are getting married and rounds up the whole gang to be there for the nuptials.

Opie makes three wishes on a "magic lamp" Barney bought. When one of his wishes doesn't come true, Barney dismisses the whole thing. Opie learns there are many different ways for a wish to be granted.

Otis is talked into suing the county by a shady lawyer, thinking Andy will support his efforts to attract more money for the courthouse. To his surprise, Andy decides to fight the case.