Peter Dinklage, the actor who plays Tyrion Lannister on Game of Thrones, visited Sesame Street. In this clip, he sings about the children's game "Simon Says." At the link, you can see another Sesame Street video starring Lena Headey, who plays Cersei Lannister.
But where is Joffrey? I want to see Joffrey on Sesame Street because Grover wouldn't miss the chance for vengeance, even if it costs him his life.