Best Investigation TV Series

3eyedraven's 229 top-rated investigation TV series — ordered by how strongly audiences rate them and how many actually voted, so the ranking reflects real consensus. Full details on each.

229 titles

Sherlock 2010 ★ 8.5

Dark 2017 ★ 8.4

The X-Files 1993 ★ 8.4

True Detective 2014 ★ 8.3

Ozark 2017 ★ 8.2

Mouse 2021 ★ 8.4

Defending Jacob 2020 ★ 8.2

Mare of Easttown 2021 ★ 8.2

Flower of Evil 2020 ★ 8.2

Beyond Evil 2021 ★ 8.5

Big Mouth 2022 ★ 8.3

Friendly Rivalry 2025 ★ 8.7

Agatha Christie's Poirot 1989 ★ 8.2

Black Bird 2022 ★ 8.1

Miss Night and Day 2024 ★ 8.5

Stranger 2017 ★ 8.3

All Her Fault 2025 ★ 8.1

FBI 2018 ★ 7.9

Taboo 2017 ★ 7.9

Signal 2016 ★ 8.2

Taxi Driver 2021 ★ 8.2

Broadchurch 2013 ★ 7.9

Unbelievable 2019 ★ 7.9

D.P. 2021 ★ 8.0