Aunt Clara arrives to congratulate the Stephens' on their first anniversary. A spell she casts goes awry, turning Darrin into a chimpanzee.
Jeannie wants to accompany Tony on his business trip to Rome, but Tony says she can only come with him if she can acquire a passport without the use of magic.
Tony organises a date with an old flame, and Jeannie is overcome with jealousy when he refuses to cancel it.
A trial run as sheriff of Mayberry convinces Barney that he is not ready for a similar job in a nearby town.
Barney loses his self-confidence when two farmers ignore his warning.