Elon Musk is either trying to save the world or destroy it. Stephen s not sure which one.

Ellen challenged Elizabeth to one of her favorite new games. See who came out the champion!

Ellen s gardener has a role in the exciting new movie. He gave Jeannie an exclusive, behind-the-scenes tour.

These two adorable, 7-year-old twins from Taiwan are picking up lots of English, and sharing it all with Ellen.

There was a lot learned about these two dynamic women in this revealing game.

She talked to Ellen about her dating life and the possibility of having more children.

The piano prodigy and all-around wunderkind is back! Check out his reunion with Ellen.

This is one kid dancer who is about to "Bang Bang" right into your heart.

For the first time, Ellen played her game with a real-life actual Epic or Fail in her studio.

Ellen challenged three audience members to some musically-themed trivia on her Know or Go machine!

As a staple of his YouTube channel, Tyler asked Ellen some fast-thinking questions. See how she answered!

Ellen and Pam played a fast-paced game. See who came out on top!

Ellen had an excellent substitute for Nick for the day.

Trevor Noah explains what every candidate sounded like at Wednesday night s GOP Debate.

The YouTube sensation was here to meet Ellen for the first time!

Ellen and her show models, Puss and Boots, helped the audience win big!

With a lot of money on the line, Sandra Bullock played an intense round of Ellen s game, "Heads Up!"

Ellen played a round of her texting game with these two lucky audience members.

Emily Blunt and Stephen love pretending to throw up.

Stephen isn t just a celebrity, he s a brand. Which means it s high time he launched his own line of expensive, random things. Subscribe To "The Late Show" Channel HERE: http://bit.ly/ColbertYouTu...