In its 25 seasons, The Simpsons have only had one official crossover episode (The Critic); on September 28th they will release a second. The Family Guy and Simpsons crossover episode will be an hour long and will go down in history, considering the two animated shows are at the top of the totem pole. While we wait, a 5-minute preview of the episode has been released. Check it out above! There seems to be an epic fight scene between Homer and Peter Griffin.