The Monkey Suit/Gags

Couch gag

 * The Simpsons sit on the couch as normal and a camera flashes, setting off a series of family portraits. In the 2006 and 2007 portraits, they all look the same. In 2008, Homer is missing and the family is wearing black. In 2009, Lenny has taken Homer's place and Bart and Lisa both begin puberty. In 2010, Carl has taken Marge's place and Lenny is still there. In 2011, Marge is back, but Lenny is gone and replaced by Jimbo Jones. In 2012, Homer is back, but is now a robot. In 2013, every member of the Simpson family is a robot.