Doug's kingdom comes under attack when his recently widowed father-in-law, Arthur, moves in rather than go to a retirement home, turning Doug's TV room into Arthur's bedroom.
When the shift supervisor leaves for heart surgery, Doug is selected for the position, but despite the promotion, he hates the job. On top of that, Deacon feels he was overlooked because he's black.
Doug is distraught by Carrie's indifference when she learns that his new trainee is a beautiful woman, so he tries to make her think something's going on.
Carrie asks Doug to join her at a dinner party for a Japanese client. But when he arrives ravenous after not eating all day, he discovers there's no dinner and tries to eat whatever he can find.
Doug and Carrie try desperately to ship Arthur off to friends for the weekend so they can enjoy some intimate time together, but no one's eager to take him.
Doug is ecstatic when Arthur moves out of the basement and gets his own apartment following an argument between the two men. But Carrie is saddened by her father's move and wants Doug to ask him to return.