Joel McHale, Andrew Norelli, Will.I.Am

Dave welcomes Andy Samberg, gold medal-winning U.S. Olympic decathlete Ashton Eaton and Glen Hansard performs. Top Ten Little-Known Facts About Paul Ryan. Bill Scheft tries to recall numbers of some of the great U.S. track and field Olympic stars. Andy awkwardly tries to describe the Olympics opening ceremony in one word. He won the gold medal at the Olympics, but can Ashton Eaton do comedy? The U.S. decathlete breaks down his gold medal-winning performance at the 2012 Olympics.