Ryan Seacrest, Bill Maher

Ryan Seacrest and Bill Maher act as co-masters of ceremonies, and surprise appearances by President Barack Obama, former President Bill Clinton, and network news anchors Barbara Walters, Diane Sawyer, Katie Couric and Brian Williams, among others. King says his final show was not a "good-bye" but rather a "so long", as he plans to move on and pursue other things.