There's Gold in Them Thar Pills (S03E33)

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. (iTunes)