 " April in Quahog " is the 16th episode of the eighth season of the animated comedy series Family Guy . It originally aired on Fox in the United States on April 11 , 2010 . The episode features the Griffin family as they attempt to live out their last day on Earth , after hearing an announcement on the local news about a black hole that is sucking in the entire solar system . As the countdown approaches zero , Peter suddenly reveals his secret dislike of being in his children 's presence , seconds before the world is expected to end . Then it is revealed that it is all an April Fools ' joke , and Peter is left to attempt to win back his children 's respect . 
