NOVA/Season Thirty-One

Season Thirty-One of NOVA premiered on September 30, 2003.

Episodes

#	#	Title	Airdate
570	1	Infinite Secrets	September 30, 2003
571	2	Who Killed the Red Baron?	October 7, 2003
572	3	The Elegant Universe: Einstein's Dream	October 28, 2003
573	4	The Elegant Universe: String's The Thing	October 28, 2003
574	5	The Elegant Universe: Welcome to the 11th Dimension	November 4, 2003
575	6	Wright Brothers' Flying Machine	November 11, 2003
576	7	Magnetic Storm	November 18, 2003
577	8	Volcano Above the Clouds	November 25, 2003
578	9	MARS Dead or Alive	January 4, 2004
579	10	Secrets of the Crocodile Caves	January 20, 2004
580	11	Dogs and More Dogs	February 10, 2004
581	12	Descent into the Ice	February 3, 2004
582	13	Crash of Flight 111	February 17, 2004
583	14	Life and Death in the War Zone	March 4, 2004
584	15	Hunt for the Supertwister	March 30, 2004
585	16	World in the Balance: The People Paradox	April 20, 2004
586	17	World in the Balance: China Revs Up	April 20, 2004
587	18	Battle Plan Under Fire	May 4, 2004