Surrealist Documentary, Mockumentary, Self Reflexive... 

Las Hurdes: Tierra Sin Pan (1933), (English language: Land Without Bread or Unpromised Land) is a 27-minute-long documentary film (ethnofiction) directed by Luis Buñuel and co-produced by Buñuel and Ramon Acin. The narration was written by Buñuel, Rafael Sanchez Ventura, and Pierre Unik, with cinematography by Eli Lotar.
Website: http://www.banksyfilm.com This is the inside story of Street Art - a brutal and revealing account of what happens when fame, money and vandalism collide. Exit Through the Gift Shop follows an eccentric shop-keeper turned amateur film-maker as he attempts to capture many of the world's most infamous vandals on camera, only to have a British stencil artist named Banksy turn the camcorder back on its owner with wildly unexpected results.