The 1980s: The Deadliest Decade (2016)

Crime · Documentary

Investigation Discovery transports viewers on a bittersweet and terrifying journey back in time, revealing the dark side of America's favorite decade.

IMDb rating: 7.6 (282 votes)
Episode average: 7.3 -0.3 vs IMDb
Seasons: 2
Streaming (US): Hulu
Language: EN
Type: TV series

Declining trajectory: each season no better than the last. 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. See every Declining show in the explorer →

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Ratings refreshed Oct 3, 2026 · 2 seasons indexed

Cast

Patrick Gallagher Himself - Narrator

Seasons

Season 1 (2016)

7.35 avg 6 episodes 7.5 → 7.1 42 min avg

Season 1 episodes - IMDb ratings
#	Title	Rating	Votes
1	The Yuppie Murder	7.5	45
2	The Preppy Murder	7.3	39
3	The Cheerleader Murder	7.7	48
4	The Heartland Massacre	7.8	40
5	The Black Monday Murder	6.7	36
6	The Real Fatal Attraction	7.1	37

Season 2 (2017)

7.29 avg 10 episodes 7.2 → 6.8 42 min avg

Season 2 episodes - IMDb ratings
#	Title	Rating	Votes
1	The Newlywed Murder	7.2	32
2	The Libertyville Horror	7.9	38
3	Friday the 13th	7.5	35
4	The Copycat Killer	7.8	35
5	Phantom Kller of the Opera	7.6	25
6	The Dixieland Murders	6.2	23
7	The Death of Disco	6.9	21
8	The Cotton Club Murder	7.0	28
9	The Milk Carton Murder	8.0	30
10	The Krishna Killers	6.8	23

The 1980s: The Deadliest Decade (2016)

Cast

Seasons

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