When Peter tries to get out of a doctor's bill by faking his death, he gets visited by Death who tries to take him. After Death twists his ankle, Peter must take over when everyone discovers they're immortal.
Lois suspects Stewie is the one creating pee stains all over the house but it turns out to be Brian. Brian goes to therapy and finds out it's because he's in love with Lois he's doing it and goes to confront her.
Peter is concerned the world is going to end with Y2K and convinces his family to cancel their New York plans and hide in his shelter. When the bomb destroys the world, the family heads to a Twinkie factory.
When a heatwave hits Quahog, Peter gets Brian to enter a dog show so he can win enough money to buy an air conditioner. When they get into an argument over a trick, Brian leaves the family and Peter replaces him with a cat.