Monty Margetts

Trouble begins in the Monster household when Herman tells Lily he intends to attend an Army reunion banquet wearing his old uniform. Lily is against the idea since Herman would have to spend the night away. However, she agrees, providing Herman will lose enough weight in the ten days remaining until the reunion to fit into his old uniform.

Samantha tells Endora she doesn't have time for a dress-fitting. Endora solves Samantha's problem by transforming herself into En-Sam, identical to Samantha. Bob Frazer, an author, falls for En-Sam and they do the town together. Meanwhile, Darrin tells Samantha to expect a visit from his friend, Bob Frazer. Gladys Kravitz, who has seen En-Sam with Bob, is sure the Stephens home is about to break up. After Bob sees Samantha and mistakes her for En-Sam, Samantha explains to Endora the trouble she is causing. Endora is convinced when she learns Bob is expected at the Stephens home. All of En-Sam's efforts to break with Bob fail. Bob is determined to have a showdown with Darrin over Samantha. Samantha tells Darrin that Bob has fallen in love with Endora. Endora, still En-Sam, arrives and Bob thinks En-Sam and Samantha are identical twins. Although Endora promises to give Bob Up, Samantha, knowing her mother, is not sure what she will do.

Andy sends Opie to an affluent boys' camp.

Andy learns that his girlfriend, Helen, was once arrested for carrying a gun, gambling and keeping company with a hoodlum.

Despite a thirty-year difference, Carol falls in love with the doctor who removes a tattoo of a monarch butterfly from her backside.