Family Guy (1999)

S5E5 Whistle While Your Wife Works

After Peter injures himself and is unable to work, his boss pressures him to pick up the pace. In response, Lois steps in to assist him at the brewery. At the same time, Stewie discovers that Brian is seeing a stunning yet not-so-bright woman. He makes several attempts to convince Brian to end the relationship, but Brian finds it difficult to break things off.