Penny convinces her mom to let her adopt an abandoned duck, but begins to have second thoughts after the duck goes on a rampage and turns against her entire family.
Penny salva a un pato cuando se está ahogando. Pero pronto el pato, Chester, se vuelve loco cuando Penny le dice que se vaya a casa.
Penny convince sua madre a lasciarle adottare una papera abbandonata.
