Who can stay awake the longest?

Air Date: March 23, 2004

Air Date: June 28, 2010

Air Date: July 25, 2014

Air Date: March 16, 2004

Air Date: July 25, 2014

Air Date: March 9, 2004

Air Date: July 24, 2014

Air Date: February 17, 2004

Air Date: March 20, 2014

Air Date: February 23, 2004

Air Date: March 27, 2014

Air Date: February 17, 2004

Air Date: July 18, 2014

Air Date: February 10, 2004

Air Date: July 22, 2014

Air Date: February 3, 2004

Air Date: July 17, 2014

Air Date: January 28, 2004

Air Date: April 21, 2014

Air Date: January 21, 2004

Air Date: January 14, 2004

Air Date: July 16, 2014

Air Date: January 7, 2004

Air Date: July 18, 2014

Air Date: November 25, 2003

Air Date: November 18, 2003

Air Date: July 15, 2014

Air Date: November 11, 2003

Air Date: November 4, 2003

Air Date: October 28, 2003

Air Date: October 21, 2003

Air Date: October 14, 2003

Air Date: April 5, 2014

Air Date: October 7, 2003

Air Date: September 30, 2003

Air Date: September 23, 2003

Air Date: September 16, 2003

Air Date: July 22, 2014

Air Date: September 9, 2003

Air Date: September 2, 2003

Air Date: August 26, 2003