When Barney hears about a summit meeting, he volunteers the home of a wealthy Mayberry citizen. But the homeowner refuses to let them use his house.
Barney Fife is on the spot when he gets Andy to let him use the Taylor home for an American-Russian summit meeting.
Opie develops a secret crush and wants to buy her a present. Andy suggests flowers before discovering that the secret crush is Opie's teacher, Helen.
Opie Taylor develops a crush on his teacher, who also happens to be his father's girlfriend.
Gomer joins the Marines. When Andy finds out the sergeant plans to get Gomer sent home, he must find a way to get the sergeant on Gomer's side.
Two gals interrupt Andy and Barney's late-night work. Helen and Thelma see them and cancel their dates, so Barney and Andy take the other girls out.
Joyce Jameson and Jean Carson appear as two fun-loving blondes who upset the sheriff's office.
British comedian Bernard Fox plays an Englishman who returns to Mayberry and upsets Aunt Bee with his efficiency.
Everybody's ready for Andy to get married. But could it be that Andy has his own agenda, unbeknownst to Mayberry's meddlesome matchmakers?
Barney decides that it's time to push Andy into matrimony, but Barney's marriage bureau collapses at a frantic dinner party.