The Pruitts of Southampton (1966)
An audit by the Internal Revenue Service about overdue taxes reveals that the supposedly incredibly wealthy Pruitts family is in fact broke. Presumably causing the economic depression, an improbably charitable IRS allows them to continue living in their mansion and maintaining the pretensions of great wealth.
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Seasons & Episode
1
Episode 15 - The Hubcap Caper
December. 20,1966
Phyllis turns private eye to lift a curse from the house of Pruitt. Someone has stolen the family good-luck charms: the Rolls Royce hubcaps.
Episode 22 - How to Rob a Millionaire
February. 10,1967
An Internal Revenue agent helps Phyllis locate a secret room in the Pruitt mansion, where they're soon awash in a tide of champagne, romance, and burglars.