22 Shocking Documentaries That Must Be Seen To Be Believed

22.Dear Zachary: A Letter to a Son About His Father (2008)

(L-R) Kurt Kuenne and Dr. Andrew Bagby in "Dear Zachary: A Letter to a Son About His Father"

21.The Amazing Johnathan Documentary (2019)

The Amazing Johnathan in "The Amazing Johnathan Documentary"

20.Hated: GG Allin and the Murder Junkies (1993)

GG Allin in "Hated: GG Allin and the Murder Junkies"

19.Cropsey (2009)

Theatrical Poster for "Cropsey"

18.Grizzly Man (2005)

Director Werner Herzog conducts media interviews prior to the Lions Gate screening of "Grizzly Man" at the American Museum of Natural History

17.They Shall Not Grow Old (2018)

Film frame of soldiers during World War I showing film restoration in "They Shall Not Grow Old"

16.Overnight (2003)

Theatrical Poster for "Overnight"

15.Tread (2020)

"Tread"

14.The King of Kong: A Fistful of Quarters (2007)

Steve Wiebe (L) plays Donkey Kong as Picturehouse president Bob Berney (R) looks on after a screening of Picturehouse's "The King of Kong: A Fistful of Quarters"

13.The Decline of Western Civilization Trilogy (1981–98)

Theatrical Poster for "The Decline of Western Civilization"

12.Capturing the Friedmans (2003)

(L-R) Jesse Friedman and Arnold Friedman in "Capturing the Friedmans"

11.I Think We’re Alone Now (2008)

"I Think We're Alone Now"

10.The Thin Blue Line (1988)

"The Thin Blue Line"

9.Anvil! The Story of Anvil (2008)

Theatrical Poster for "Anvil! The Story of Anvil"

8.Grey Gardens (1975)

Edith Bouvier Beale and Edith "Little Edie" Bouvier Beale in

7.Beyond the Mat (1999)

Stephanie McMahon and Vince McMahon in "Beyond the Mat"

6.Wesley Willis: The Daddy of Rock 'n' Roll (2003)

Wesley Willis in "Wesley Willis: The Daddy of Rock 'n' Roll"

5.Marwencol (2010)

Mark Hogancamp in "Marwencol"

4.American Movie (1999)

(L-R) Mike Schank and Mark Borchardt in "American Movie"

3.Three Identical Strangers (2018)

A truly surreal story of three adopted men who discovered they were triplets, Three Identical Strangers is the kind of documentary that veers into jaw-dropping twists and turns with revelations that will leave your head spinning.Where to Watch: Three Identical Strangers is currently streaming on Hulu.

2.The Act of Killing (2013)

"The Act of Killing"

1.A Band Called Death (2012)

Theatrical Poster for "A Band Called Death"