Knock Knock

Name: Knock Knock
Genre: Suspense, Talk & Interview, News, Documentary
Released: January 19, 2019

48 Hours: Season 31: Episode 12

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Episode Details & Credits

CBS | Air Date: January 19, 2019

Summary: Adriven detective strives to solvea nearly three-decade-old double murder.

Genre(s): Suspense, Talk & Interview, News, Documentary

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Season 31 Episodes

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S31:E31. What Happened in a C?
Air Date: August 17, 2019
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S31:E30. Peter Chadwick: Caught
Air Date: August 10, 2019
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S31:E29. Jayme Closs: Hometown Hero
Air Date: June 8, 2019

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Seasons & Episodes

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Series Overview
Season 37

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- Season 37 Overview
  Air Date: September 21, 2024
Season 36

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- Season 36 Overview
  Air Date: September 16, 2023
Season 35

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- Season 35 Overview
  Air Date: September 17, 2022
Season 34

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- Season 34 Overview
  Air Date: September 18, 2021
Season 33

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- Season 33 Overview
  Air Date: September 12, 2020
Season 32

tbd
- Season 32 Overview
  Air Date: September 14, 2019
Season 31

tbd
- Season 31 Overview
  Air Date: September 29, 2018
- tbd
  S31:E31. What Happened in a C?
  Air Date: August 17, 2019
- tbd
  S31:E30. Peter Chadwick: Caught
  Air Date: August 10, 2019
- tbd
  S31:E29. Jayme Closs: Hometown Hero
  Air Date: June 8, 2019
- tbd
  S31:E28. Private Needham's War
  Air Date: May 25, 2019
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  S31:E27. What Happened to Rachael?
  Air Date: May 18, 2019
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  S31:E26. #FindPeterChadwick
  Air Date: May 11, 2019
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  S31:E25. The Case Against Enrico Forti
  Air Date: May 4, 2019
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  S31:E24. A Death in Payson Canyon
  Air Date: April 27, 2019
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  S31:E23. In Jason's Name
  Air Date: April 20, 2019
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  S31:E22. Live To Tell: The Vendetta
  Air Date: April 13, 2019
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  S31:E21. Widow's War
  Air Date: March 30, 2019
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  S31:E20. Karrie's Choice
  Air Date: March 23, 2019
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  S31:E19. The Shape of a Killer
  Air Date: March 16, 2019
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  S31:E18. Out of Reach
  Air Date: March 9, 2019
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  S31:E17. Fatal Crossing
  Air Date: March 2, 2019
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  S31:E16. Portrait of a Killer
  Air Date: February 23, 2019
- tbd
  S31:E15. Live to Tell: Standoff at Trader Joe's
  Air Date: February 16, 2019
- tbd
  S31:E14. Was Kevin Cooper Framed?
  Air Date: January 26, 2019
- tbd
  S31:E14. Was Kevin Cooper Framed? Part 2
  Air Date: January 26, 2019
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  S31:E13. Letter From San Quentin
  Air Date: January 26, 2019
- tbd
  S31:E13. Was Kevin Cooper Framed? Part 1
  Air Date: January 26, 2019
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  S31:E12. Knock Knock
  Air Date: January 19, 2019
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  S31:E11. Jayme Closs Comes Home
  Air Date: January 12, 2019
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  S31:E10. Sugar Land: Life or Death
  Air Date: January 5, 2019
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  S31:E9. FindJodi
  Air Date: December 15, 2018
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  S31:E8. Defending DJ
  Air Date: July 13, 2019
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  S31:E7. The Mysterious Death of Casey Kasem
  Air Date: November 24, 2018
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  S31:E6. What Happened in Apartment 4C?
  Air Date: November 17, 2018
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  S31:E5. In the Name of Hate
  Air Date: November 10, 2018
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  S31:E4. Cold-Blooded Killer
  Air Date: October 20, 2018
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  S31:E3. Dead Ringer
  Air Date: October 13, 2018
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  S31:E2. Hollywood Horror Story
  Air Date: October 6, 2018
- tbd
  S31:E1. Click for a Killer
  Air Date: September 29, 2018
Season 30

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  Air Date: September 30, 2017
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  Air Date: September 24, 2016
Season 28

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  Air Date: September 26, 2015
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  Air Date: October 9, 2004
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  Air Date: November 30, -0001
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  Air Date: June 4, 2005
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  Air Date: August 10, 1998
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  Air Date: August 10, 1998
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  Air Date: August 10, 1998
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