The 1980s: The Deadliest Decade (2016)
- HD 1080
- Runtime: 44m.
- Status: Ended
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- Languages: en
- Country: United States of America
- Stars: Patrick Gallagher
- keywords: true crime, murder investigation
- Production_studio: Lion Television USA
- Seasons: 2
- Episodes: 16
- First air date: 2016-11-14
- Last air date: 2017-12-18
- providers: Hulu, Discovery+ Amazon Channel, Discovery +
- The The 1980s: The Deadliest Decade is featured in the top rankings of 2016
- #72 in Top Reality Series of 2016
- #85 in Top Crime Series of 2016
Investigation Discovery transports viewers on a bittersweet and terrifying journey back in time, revealing the dark side of America's favorite decade.