Best Documentary TV Series of 2021
Top 500 most popular Documentary series that started in 2021
Behind the Monsters
260 6 2021–present
Documentary · Horror
The Machines That Built America
257 8 2021–present
Documentary
Mr. A & Mr. M: The Story of A&M Records
256 2 2021–2021
Documentary · Music
Break Point
245 7 2021–present
Documentary · Sport
Miriam and Alan: Lost in Scotland
235 7 2021–2022
Documentary · Reality-TV
Strangest Things
231 30 2021–2025
Documentary · History
Liverpool Narcos
231 3 2021–present
Crime · Documentary · Drama
Alma de artista
230 2021–2021
Documentary
The Earthshot Prize: Repairing Our Planet
229 6 2021–2021
Documentary
The Next Thing You Eat
228 6 2021–2021
Documentary
Fiasco
224 6 2021–present
Documentary · History
Growing Up Animal
221 6 2021–present
Documentary
Secrets of the London Underground
219 36 2021–present
Documentary
Six Degrees with Mike Rowe
218 6 2021–present
Comedy · Documentary · History
Sex Actually with Alice Levine
215 6 2021–2023
Documentary
Aliens in Alaska
209 9 2021–2022
Documentary
The Real Manhunter
206 32 2021–present
Documentary
National Geographic Presents: Impact with Gal Gadot
204 6 2021–present
Documentary
We Are: The Brooklyn Saints
198 4 2021–2021
Documentary · Sport
Killers of the Cosmos
196 6 2021–2021
Documentary · Drama
Türkiye'deki Seri Katiller
194 5 2021–2021
Crime · Documentary · Mystery
A Sétima Arte
193 7 2021–present
Documentary
The Children of Ruinerwold
184 5 2021–2021
Crime · Documentary
Insight BP
183 31 2021–present
Documentary