Dateline NBC: 29x9
A Promise to Helene
When college student Helene Pruszynski is found murdered, her case remains cold for nearly 40 years until a new detective uses an innovative method to catch the killer. Josh Mankiewicz reports.
29 - 1Trouble at the 7-11 Ranch Sep. 21, 2020
29 - 2Left For Dead Sep. 24, 2020
29 - 3Tallahassee Trap Oct. 01, 2020- 29 - 4A Killer Role Oct. 02, 2020
- 29 - 5Lone Star Obsession Oct. 08, 2020
- 29 - 6The Dead of Night Oct. 09, 2020
- 29 - 7What Happened to Don Lewis Oct. 12, 2020
- 29 - 8The Client: A New Look Oct. 15, 2020
- 29 - 9A Promise to Helene Oct. 16, 2020
29 - 10Even the Devil Went to Church Oct. 23, 2020- 29 - 11Return to Shalimar Way Oct. 29, 2020
- 29 - 12Hope Whispers Oct. 30, 2020
- 29 - 13The Eastlake Conspiracy Nov. 06, 2020
- 29 - 1410 Minutes to Sunset Nov. 13, 2020
29 - 15Voices for Vanessa Nov. 19, 2020- 29 - 16Point Blank Nov. 20, 2020
- 29 - 17Race for a Vaccine Dec. 03, 2020
- 29 - 18Far from Spider Lake Dec. 04, 2020
- 29 - 19Into the Night - Part 2 Dec. 11, 2020
- 29 - 20The Life and Death of Princess Diana Dec. 18, 2020
- 29 - 21Journey for Justice Jan. 07, 2021
- 29 - 22Open Water Jan. 08, 2021
29 - 23The Grudge Jan. 21, 2021- 29 - 24Night of the Summer Solstice Jan. 22, 2021
29 - 25Lauren's Promise Jan. 28, 2021- 29 - 26The Woman at the Bar Jan. 29, 2021
- 29 - 27Shannon's Story Feb. 04, 2021
- 29 - 28Death of a Hometown Hero Feb. 05, 2021
- 29 - 29The Black Box (Repeat) Feb. 11, 2021
29 - 30Broken Circle Feb. 11, 2021- 29 - 31The Monster at Large Feb. 12, 2021
- 29 - 32Collateral Damage Feb. 26, 2021
- 29 - 33Return to the Landing Mar. 04, 2021
- 29 - 34The Life She Wanted Mar. 12, 2021
- 29 - 35The Woman with No Name Mar. 18, 2021
29 - 36The Waiting Car Mar. 25, 2021- 29 - 37Mommy Doomsday Mar. 26, 2021
- 29 - 38Sex, Lies, & Murder Apr. 09, 2021
- 29 - 39The Phone Call Apr. 16, 2021
- 29 - 43The Necklace Apr. 23, 2021
- 29 - 44Killer Role Apr. 30, 2021
- 29 - 45Window of Opportunity May. 07, 2021