Your favorite Documentaries?

What are your favorite Documentarie(s)? I got inspired by Onyx's thread about documentaries to make this. I love documentaries! They can be depressing, disturbing or just plain sick - but they are never boring, that is for sure. I have seen in around a 100 in my lifetime this far. So here is what I rated 8 plus, in order:

Dear Zachary: A Letter to a Son About His Father
Hitman Hart: Wrestling with Shadows
Murder on a Sunday Morning
Beyond the Mat
Boy Interrupted
Rain in my Heart
My Amityville Horror
Night Will Fall
9/11: The Falling Man
Shoah
The Bridge
Into the Abyss
Man on Wire
Capturing the Friedmans
Deliver Us from Evil
The Thin Blue Line
The House of Suh
Witch Hunt
There's Something Wrong with Aunt Diane
The Imposter
High on Crack Street: Lost Lives in Lowell
Paradise Lost: The Child Murders at Robin Hood Hills
Grizzly Man
The Monday Night War: WWE Raw vs. WCW Nitro
My Flesh and Blood
UFO's Are Real
Out of the Blue
Dreamland: Area 51
UFOs: It Has Begun
Alcatraz: Search for the Truth
A Certain Kind of Death
Sick: The Life & Death of Bob Flanagan, Supermasochist
Interview with a Cannibal
Our Father the Serial Killer
Man on Bridge
Who Took Johnny
Valentine Road
The Fear of 13
Mr. Death: The Rise and Fall of Fred A. Leuchter, Jr.
Jonestown: The Life and Death of Peoples Temple
Titicut Follies
Killer Legends


What are your favorite Documentarie(s)?