"We just did it as a goof and then it was like 'Oh my God, it took off,'" said Jimmy Fallon of the 2000 'SNL' skit that turned into a hit.

Executive-produced by Morgan Neville, the Academy and Emmy Award-winning filmmaker behind documentaries Piece by Piece and 20 ...

The four-episode series will offer behind-the-scenes glimpses of the making the long-running sketch comedy shwo.