While visiting his folks in Florida, Doug learns the overprotective duo have been sheltering him from painful truths, such as the fact that his dog died years ago and has been replaced three times. Back at home, Spence convinces Arthur to serve as a mediator between Spence's girlfriend and his mom at a dinner.

The fifth season wraps up with Doug and Carrie discovering that they enjoy doing things apart, even sleeping, after they are forced to use twin beds until their new one arrives. Also: Arthur spies on neighbor Lou Ferrigno to get all the latest gossip.