Patti panics and thinks she's fat after watching a commercial selling a diet kit, so she, Connie, and Beebe set out to lose weight. Patti decides to go on a drastic diet and excercise routine. But once she starts losing weight, she can't seem to stop herself, even with Doug's help. Meanwhile, Doug and Skeeter are convinced that the only way to catch the Lucky Duck Lake monster, is to lure it with a female monster.