Dateline NBC: 20x21
Friday, January 21
Investigators track down a suspect in the disappearance of a celebrity dog trainer.
20 - 1In Broad Daylight Sep. 24, 2010- 20 - 2In The Dead of Night Oct. 01, 2010
- 20 - 3
- 20 - 4Friday, Oct 15, 2010 Oct. 15, 2010
- 20 - 5Blind Justice Oct. 15, 2010
- 20 - 6Episode 6 Oct. 22, 2010
- 20 - 7FR2006 Oct. 29, 2010
- 20 - 8Rescue on the Mountainside/Stealing Paradise Oct. 22, 2010
- 20 - 9Friday, Oct 29, 2010 Oct. 29, 2010
- 20 - 10Fr2009 Nov. 19, 2010
- 20 - 11Friday, November 5 Nov. 12, 2010
- 20 - 12Searching for Kyron/Mean Girls Nov. 12, 2010
- 20 - 13The Man Who Will Be King Nov. 19, 2010
- 20 - 14Fr2013 Dec. 03, 2010
- 20 - 15Friday, December 10 Dec. 10, 2010
- 20 - 16Friday, December 17 Dec. 17, 2010
- 20 - 17FR2018 Jan. 14, 2011
- 20 - 18Thursday, Janaury 7 Jan. 07, 2011
- 20 - 19Sunday, January 9 Jan. 09, 2011
- 20 - 20FR2020 Jun. 17, 2026
- 20 - 21Friday, January 21 Jan. 21, 2011
- 20 - 22FR2021 Jun. 17, 2026
- 20 - 23SU2020 Feb. 06, 2011
- 20 - 24Friday, January 28 Jan. 28, 2011
- 20 - 25Written in Blood Jan. 28, 2011
- 20 - 26Sunday, January 30 Jan. 30, 2011
- 20 - 27Su2022 Feb. 20, 2011
- 20 - 28FR2023 Jun. 17, 2026
- 20 - 29Sunday, February 6 Feb. 06, 2011
- 20 - 30Friday, February 11 Feb. 11, 2011
- 20 - 31Sunday, February 13 Feb. 13, 2011
- 20 - 32FR2025 Mar. 11, 2011
- 20 - 33Friday, February 18 Feb. 19, 2011
- 20 - 34FR2026 Mar. 18, 2011
- 20 - 35Sunday, February 20 Feb. 20, 2011
- 20 - 36Sunday, February 20 Feb. 20, 2011
- 20 - 37Friday, February 25 Feb. 25, 2011
- 20 - 38Friday, February 25 Feb. 25, 2011
- 20 - 39Sunday, February 27 Feb. 27, 2011
- 20 - 40Friday, March 4 Mar. 04, 2011
- 20 - 41Sunday, March 6 Mar. 06, 2011
- 20 - 42Friday, March 11 Mar. 11, 2011
- 20 - 43Sunday, March 13 Mar. 13, 2011
- 20 - 44Friday, March 13 Mar. 13, 2011
- 20 - 45Friday, March 18 Mar. 18, 2011
- 20 - 46Friday, March 18 Mar. 18, 2011
- 20 - 47Friday, March 18 Mar. 18, 2011
- 20 - 48Sunday, March 20 Mar. 20, 2011
- 20 - 49Sunday, March 20 Mar. 20, 2011
- 20 - 50Friday, March 25 Mar. 25, 2011
- 20 - 51Friday, March 25 Jun. 17, 2026
- 20 - 52Friday, March 25 Mar. 25, 2011
- 20 - 53Sunday, March 27 Mar. 27, 2011
- 20 - 54Sunday, March 27 Mar. 27, 2011
- 20 - 55Friday, April 1 Apr. 01, 2011
- 20 - 56Friday, April 1 Apr. 01, 2011
- 20 - 57Sunday, April 3 Apr. 03, 2011
- 20 - 58Sunday, April 3 Apr. 03, 2011
- 20 - 59Friday, April 8 Apr. 08, 2011
- 20 - 60Sunday, April 10 Apr. 10, 2011
- 20 - 61Sunday, April 17 Apr. 17, 2011
- 20 - 62Sunday, April 24 Apr. 24, 2011
- 20 - 63The Girl With The Blue Mustang Apr. 29, 2011
- 20 - 64Sunday, May 1 May. 01, 2011