John and Roy decide it would be a good idea to start their own floor cleaning business to make some extra money. Elsewhere, a chemist is knocked unconscious when his lab goes up in flames, and a hermit is trapped inside his cave dwelling.
When Samantha tells Endora she can't go shopping unless Darrin's cold gets better, her mother produces Dr. Bombay. Although the doctor protests treating a mortal, he gives Darrin a pill and the cold disappears. When Larry's cold is immediately cured by one of the pills, he sees millions in them, as partner of. Mr. Hornbeck owns a drug company. Dr. Bombay shows no interest in making a fortune or serving humanity, but intrigued by having his name and picture on bottles in millions of bathrooms, grants Larry and Darrin the right to market his pills. When one of Dr. Bombay's pills produces a miraculous recovery for Mr. Hornbeck, he is happy to take Larry end Darrin in as partners.
Endora's doctor cures Darrin's cold, but produces strange side effects.
Rob loses his friends as well as his watch when the friends learn they're all under suspicion.
Rob has to locate a television set to watch a special show.
Aunt Bee takes a job at a printing shop. When Andy notices that they print business cards with green ink, he figures out what they're really printing!
Aunt Bee gets a job at the town print shop where the new proprietors are really counterfeiters.
When he invests in a shoe store, Rob learns that a shoe clerk's lot is not always a happy one.
The Petries face a problem when Richie is beaten up by a pretty little girl who loves him.
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