Pleatedjeans put together this video chain of TV shows referencing other TV shows.
The clips are from come from Saturday Night Live, 30 Rock, Community, South Park, Hannah Montana, Law and Order, Beavis and Butthead, Full House, The Simpsons, Scrubs, Gilmore Girls, The Office, Entourage, Arrested Development, Family Guy, The Fresh Prince, Saved by the Bell, Married With Children, Friends, …and back to Saturday Night Live.