Set in Springfield, the average American town, the show focuses on the antics and everyday adventures of the Simpson family; Homer, Marge, Bart, Lisa and Maggie, as well as a virtual cast of thousands. Since the beginning, the series has been a pop culture icon, attracting hundreds of celebrities to guest star. The show has also made name for itself in its fearless satirical take on politics, media and American life in general.
In the first of Sky One's specials celebrating 20 years of "The Simpsons", Ricky Gervais takes you behind the scenes to see how the show is made, talking to those who put each episode together, plus celebrity fans like Simon Cowell and Hugh Hefner.