Is Someone You Thought You Knew coming back?
Someone You Thought You Knew (2018–2019) — crime on Investigation Discovery
Watch on Discovery+ 
About Someone You Thought You Knew
Someone You Thought You Knew ended on October 28, 2019, on Investigation Discovery. The show concluded after its second season, which aired from September 2 to October 28, 2019. There are no upcoming episodes scheduled, and the series has not been announced for renewal.
The series was a crime documentary that explored homicide cases where the perpetrator was someone close to the victim. It examined how seemingly random killings could be part of a calculated plan by someone hiding in plain sight or leading a double life, raising questions about trust and deception in close relationships. The show aimed to shed light on the darker side of human nature and the secrets that can lurk behind familiar faces.
The show featured Jason Hildebrandt as the narrator. Each episode had a runtime of about 60 minutes.
Someone You Thought You Knew episode schedule
13 aired
Aired · 13
| Date | Ep. | Title |
|---|---|---|
| October 28, 2019 | S2·E7 | Nightmare on Oak Hollow Drive |
| October 21, 2019 | S2·E6 | High School Homicide |
| October 14, 2019 | S2·E5 | Death in Dixie |
| October 7, 2019 | S2·E4 | Evil in Idaho |
| September 30, 2019 | S2·E3 | Maine Murder Mystery |
| September 23, 2019 | S2·E2 | The Secrets You Keep |
| September 2, 2019 | S2·E1 | The Body on Bowden Road |
| September 6, 2018 | S1·E6 | Pick Your Poison |
| August 30, 2018 | S1·E5 | The Lieutenant of Lampson Road |
| August 23, 2018 | S1·E4 | The Thanksgiving Ambush |
| August 16, 2018 | S1·E3 | The Wolf & The Sheep |
| August 9, 2018 | S1·E2 | Memorial Day Murder |
| August 2, 2018 | S1·E1 | Killer Collection |
