A doctor is summoned to examine Kitty Kat, the ailing lion pet of the Addams Family. Morticia soon decides that it is the cringing doctor who needs help, so human members of the family feign illnesses to build his confidence.

When Uncle Fester incinerates the family's stuffed bear with his flame thrower, Morticia reports the accident to the insurance company. Mr Henson, the head of the company, sends his assistant, Mr Digby, to handle the case.