Fecal Matters.Peter volunteers as a nurse in the hospital when he is the only Griffin to not catch the flu during an outbreak. He is confronted by a moral dilemma when he learns that his longtime enemy, Ernie the Giant Chicken, is on his deathbed after refusing to take the vaccine for "chicken cancer", which also caused his wife to leave him for a bigger rooster. Peter eventually decides to save him, not wanting to take full responsibility for the destruction caused by their many fights and believing that having a nemesis makes his own life more exciting...