Tonight, stephen welcomes mark ruffalo. Chris matthews. Gilbert gottfried. And thundercat, sitting in with jon batiste and stay human. And now, live on tape from the ed sullivan theater in new york city, its Stephen Colbert cheers and applause stephen hey how are you . Hey, chris whats going on . Thats right, thats right. Whats going on, you all. Please, have a seat, youre too kind. Welcome to the late show. Im your host, Stephen Colbert. Ladies and gentlemen, happy halloween. cheers and applause everybodys in the spirit. The white house eve decorated. Pretty spooky. Even spookier was this picture melania tweeted of her view from the inside. laughter they actually make it look that way all year long so she doesnt try to escape. laughter this year, i decided to dress up, my costume. Im a latenight talk show host. Were like vampires we only come out after dark, and were extremely pale. Of course, its a scary time for donald trump. I believe it was Michael Jackson who said no ones gonna s