Dateline: Unforgettable

Season 1

2021 · 25 episodes

• 1 1. Secret Lives Mar 8, 2021 1h 24m
• 2 2. Mystery in Orange County Mar 9, 2021 1h 24m
• 3 3. The Client Mar 10, 2021 1h 24m
• 4. Lauren's Promise Nov 23, 2021 1h 24m
• 5. The Grudge Nov 30, 2021 1h 24m
• 6. Conduct Unbecoming Dec 14, 2021 1h 24m
• 7. And Then There Were Three Dec 21, 2021 1h 24m
• 8. Collision Dec 28, 2021 1h 24m
• 9. Voices for Vanessa Jan 4, 2022 1h 24m
• 10. She Never Left Jan 11, 2022 1h 24m
• 11. Into the Night Jan 18, 2022 1h 24m
• 12. A Texas Twist Jan 25, 2022 1h 24m
• 13. At the Bottom of the Lake Feb 1, 2022 1h 26m
• 14. The Goldfinger Mystery Feb 8, 2022 1h 24m
• 15. Shannon's Story Feb 22, 2022 1h 24m
• 16. The Perfect Guy Mar 1, 2022 1h 26m
• 17. Frantic Mar 15, 2022 1h 24m
• 18. Finding Venus Mar 22, 2022 1h 25m
• 19. The Black Box Mar 29, 2022 1h 24m
• 20. Deliberate Evil Apr 5, 2022 1h 24m
• 21. At The Edge of Town Apr 12, 2022 1h 24m
• 22. The Interrogation Apr 19, 2022 1h 24m
• 23. Unchecked Evil Apr 26, 2022 1h 24m
• 24. Mystery at Heath Bar Farm May 3, 2022 1h 24m
• 25. The Collector May 10, 2022 1h 24m

Season 2

2022 · 48 episodes

• 1. Under The Desert Sky Jun 7, 2022 1h 25m
• 2. The Officer's Wife Jun 14, 2022 1h 25m
• 3. The Eastlake Conspiracy Jun 21, 2022 43 min
• 4. A Novel Defense Jun 28, 2022 1h 24m
• 5. Smoke And Mirrors Jul 5, 2022 1h 24m
• 6. Somebody's Daughter Jul 12, 2022 1h 25m
• 7. The Last Dance Jul 19, 2022 1h 24m
• 8. Return to the Lonely Road Jul 26, 2022 1h 25m
• 9. The Man Who Talked to Dogs Aug 2, 2022 1h 25m
• 10. Out of the Darkness Aug 9, 2022 1h 24m
• 11. Justice for Nikki Aug 16, 2022 1h 25m
• 12. House of Secrets Aug 23, 2022 1h 24m
• 13. The Black Widow of Lomita Oct 4, 2022 1h 25m
• 14. The Pink Gun Mystery Oct 11, 2022 1h 25m
• 15. Even the Devil Went to Church Oct 18, 2022 1h 24m
• 16. The Day Jennifer Disappeared Oct 25, 2022 1h 24m
• 17. In the Dead of Night Nov 1, 2022 1h 25m
• 18. A Promise to Helene Nov 8, 2022 1h 24m
• 19. Death of a Golden Girl Nov 15, 2022 1h 24m
• 20. Secrets From the Grave Nov 22, 2022 1h 24m
• 21. Fallen Nov 29, 2022 1h 24m
• 22 22. The Box Dec 6, 2022 1h 24m
• 23 23. The Creek Dec 13, 2022 1h 24m
• 24. Mystery on Blood Mountain Dec 20, 2022 1h 24m
• 25. The Betrayal of Sarah Stern Jul 26, 2023 1h 24m
• 26. The Dead of Night Aug 2, 2023 1h 24m
• 27. Deadly Valentine Aug 9, 2023 1h 24m
• 28 28. Down the Back Staircase Aug 16, 2023 1h 24m
• 29 29. The Ranch Aug 23, 2023 1h 24m
• 30 30. What Happened to Amy? Aug 30, 2023 1h 24m
• 31 31. The Secret of Spirit Lake Sep 6, 2023 1h 24m
• 32 32. The Plan Sep 13, 2023 1h 24m
• 33 33. The Haunting Sep 20, 2023 1h 24m
• 34 34. Internal Affairs Sep 27, 2023 1h 24m
• 35 35. Return to Manitowoc County Oct 4, 2023 1h 24m
• 36 36. Twisted Oct 11, 2023 1h 24m
• 37 37. Good & Evil Oct 18, 2023 1h 24m
• 38 38. The House Oct 25, 2023 1h 24m
• 39 39. Breakout Nov 1, 2023 1h 24m
• 40 40. Family Affair Nov 8, 2023 1h 24m
• 41 41. The Women and Dirty John Nov 15, 2023 1h 24m
• 42 42. Open Water Nov 22, 2023 1h 24m
• 43 43. The Silhouette Nov 29, 2023 1h 24m
• 44 44. The Sting Dec 6, 2023 1h 24m
• 45 45. Deadly Desire Dec 13, 2023 1h 24m
• 46 46. Plot Twist Dec 20, 2023 1h 24m
• 47 47. The Life and Death of Princess Diana Dec 27, 2023 1h 24m
• 48 48. The Last Dive Jan 3, 2024 1h 24m

Season 3

2024 · 11 episodes

• 1 1. On a Dark, Deserted Highway Jan 18, 2024 1h 24m
• 2 2. Siren Song Jan 25, 2024 1h 24m
• 3 3. The Woman Who Couldn't Scream Feb 1, 2024 1h 24m
• 4 4. The Devil Was Watching Feb 8, 2024 1h 24m
• 5 5. Left for Dead Feb 15, 2024 1h 24m
• 6 6. Point Blank Feb 22, 2024 1h 24m
• 7 7. Complicated Feb 29, 2024 1h 24m
• 8 8. The Window Mar 7, 2024 1h 24m
• 9 9. The Evil That Watches Mar 14, 2024 1h 24m
• 10 10. The Murder of Lorenzen Wright Mar 21, 2024 1h 24m
• 11 11. A Walk in the Rain Mar 28, 2024 1h 24m

Season 4

2024 · 10 episodes

• 1 1. What Happened in Vegas Jun 6, 2024 1h 24m
• 2 2. Lonestar Obsession Jun 13, 2024 1h 24m
• 3 3. Twisted Faith Jun 20, 2024 43 min
• 4 4. Sex, Lies & Murder Jun 27, 2024 1h 24m
• 5 5. In A Lonely Place Jul 4, 2024 1h 24m
• 6 6. The Music Box Jul 11, 2024 1h 24m
• 7 7. Detective Story Jul 18, 2024 1h 24m
• 8 8. The Secret Life of the Homecoming Queen Jul 25, 2024 1h 24m
• 9 9. Kill Switch Aug 1, 2024
• 10 10. Window of Opportunity Aug 8, 2024

Season 5

2025 · 8 episodes

• 1 1. Killer Role Jan 16, 2025 1h 24m
• 2 2. Safari Story Jan 23, 2025 1h 24m
• 3 3. The Favorite Son Jan 30, 2025 1h 24m
• 4 4. The Trial of Lori Vallow Daybell Feb 6, 2025 1h 24m
• 5 5. The Bridge Feb 13, 2025 1h 24m
• 6 6. The Life She Wanted Feb 20, 2025 1h 24m
• 7 7. True Confession Feb 27, 2025 1h 24m
• 8 8. After the Dance Mar 6, 2025 1h 24m

Season 6

2025 · 9 episodes

• 1 1. Open Desert Jun 5, 2025
• 2 2. The House on Shalimar Way Jun 12, 2025 1h 24m
• 3 3. 65 Seconds Jun 19, 2025 1h 24m
• 4 4. Behind the Closet Door Jun 26, 2025 1h 24m
• 5 5. The Perfect Life Jul 3, 2025 1h 24m
• 6 6. Justice for Joy Jul 10, 2025 1h 24m
• 7 7. Evil Walked Through the Door Jul 17, 2025 1h 24m
• 8 8. The Trouble on Dill Creek Farm Jul 24, 2025 1h 24m
• 9 9. The Day Akia Disappeared Jul 31, 2025 42 min

Season 7

2025 · 7 episodes

• 1 1. Deadly Dance Oct 30, 2025 42 min
• 2 2. The Pin at Apartment 210 Nov 6, 2025 42 min
• 3 3. Ghost Rider Nov 13, 2025 43 min
• 4 4. Justice for Kristin Smart Nov 20, 2025
• 5 5. The Secrets of Birch View Drive Nov 27, 2025 1h 24m
• 6 6. The Haunted House Confession Dec 4, 2025 1h 24m
• 7 7. Episode 7 Dec 11, 2025

Season 8

2026 · 4 episodes

• 1 1. The Man of Many Faces Jun 8, 2026
• 2 2. Episode 2 Jun 15, 2026
• 3 3. Episode 3 Jun 22, 2026
• 4 4. Episode 4 Jun 29, 2026