All of your favorite people will be part of NBC's Saturday Night Live 40th anniversary special, which is appropriately titled SNL 40th Anniversary Special. Seriously, all your favorites.

Every one of your favorite stars will be involved in the three and a half hour special—four and a half hours if you count the red carpet pre-show hosted by the Today anchors. Below is a list that will make you say, "Oh my god," because it's filled with dozens of Saturday Night Live veterans and beloved hosts who are participating in the special. What will they be doing? Very good question. E! News has confirmed the below stars—including the current cast—are expected to make an appearance in some form or another.