Who makes a better superhero, Howard Wolowitz or Raj Koothrappali? EW snagged this exclusive first look from the Dec. 9 episode of The Big Bang Theory in which the two characters (played by the brilliant Simon Helberg and equally hilarious Kunal Nayyar) try to figure out which one has the right (or should we say better?) stuff. They test each other with various challenges. We may have to go with Koothrappali in this one. Look at that intensity!