Poisonous Liaisons (2019)

Crime · Documentary

From scorned lovers, attempted murders, to induced paralysis Poisonous Liaisons delves into history's most notorious poisoning crimes, revealing their methods and the short and long-term effects their substances had on victims.

IMDb rating: 6.1 (53 votes)
Episode average: 8.2 +2.1 vs IMDb
Seasons: 1
Streaming (US): Peacock
Language: EN
Type: TV series

Rating trend: this show's seasons do not settle into one shape. Rising Shows ranks whole shows by the shape of their rating trend rather than one average score, which is how you find a show that got better rather than a show that started well.

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Ratings refreshed Oct 3, 2026 · 1 season indexed

Seasons

Season 1 (2019)

8.20 avg 3 episodes 7.7 → 8.2 44 min avg

Season 1 episodes - IMDb ratings
#	Title	Rating	Votes
1	Lonely Hearts	7.7	6
2	Vengeful Wives	8.7	6
3	Sweet Treats	8.2	5