S1·E8 Dogpound

After leaving his girls with their mother for a week, Louie tries to cope with their absence. He initially plans on exercising, but ends up eating ice cream and pizza for two days. Later, he's pressured into smoking pot with his obnoxious neighbor and decides to get an adult dog, which promptly dies. After Animal Control picks up the dog to dispose of it, Louie's girls return and he tells them he had a good weekend.