20/20 — Season 31

E01 Witness 17 Sep 2008 E02 The Con Artist Bride 24 Sep 2008 E03 Portrait of a President 03 Oct 2008 E04 S31.E4 10 Oct 2008 E05 John Stossel's Politically Incorrect Guide to Politics 17 Oct 2008 E06 S31.E6 24 Oct 2008 E07 S31.E7 31 Oct 2008 E08 S31.E8 07 Nov 2008 E09 S31.E9 14 Nov 2008 E10 S31.E10 21 Nov 2008 E11 S31.E11 28 Nov 2008 E12 S31.E12 05 Dec 2008 E13 S31.E13 12 Dec 2008 E14 Drama High: The Making of a High School Musical 15 Dec 2008 E15 S31.E15 19 Dec 2008 E16 S31.E16 26 Dec 2008 E17 S31.E17 02 Jan 2009 E18 Vanished: Missing in Milwaukee 07 Jan 2009 E19 S31.E19 09 Jan 2009 E20 S31.E20 16 Jan 2009 E21 Live To Tell: Who Lives? Who Dies? 23 Jan 2009 E22 S31.E22 30 Jan 2009 E23 S31.E23 30 Jan 2009 E24 S31.E24 06 Feb 2009 E25 A Hidden America: Children of the Mountains 13 Feb 2009 E26 S31.E26 20 Feb 2009 E27 S31.E27 27 Feb 2009 E28 S31.E28 06 Mar 2009 E29 Bailouts and Bull 13 Mar 2009 E30 S31.E30 31 Mar 2009 E31 S31.E31 27 Mar 2009 E32 S31.E32 03 Apr 2009 E33 If I Only Has A Gun 10 Apr 2009 E34 Inside the World of Somali Pirates 17 Apr 2009 E35 Black Widow 22 Apr 2009 E36 Shocking Crime Shatters Family-Son Responsible for Masterminding Plot to Murder Family 05 Jan 2009 E37 You Can't Even Talk About It 08 May 2009 E38 Vanished: Gone in 90 Seconds 15 May 2009 E39 S31.E39 22 May 2009 E40 MISSING forever: What REALLY happened to Etan Patz? 29 May 2009 E41 The Secret Nightlife of Teens 05 Jun 2009 E42 S31.E42 12 Jun 2009 E43 The New Normal 19 Jun 2009 E44 Homeless Beauty Queen 17 Jun 2009 E45 Cybercrime: We Find Them 24 Jun 2009 E46 The Military Mistress 09 Jul 2009 E47 Finding 'The Help' 15 Jul 2009 E48 S31.E48 17 Jul 2009 E49 Over a Barrel: The Truth About Oil 24 Jul 2009 E50 Out Of Control Spenders Turn to Money Detox 31 Jul 2009 E51 Medical Mysteries 07 Aug 2009 E52 Blown Away/Twisted Terror 14 Aug 2009 E53 S31.E53 21 Aug 2009 E54 S31.E54 28 Aug 2009 E55 S31.E55 04 Sep 2009