spoofumentary 

A film that spoofs the documentary genre

Spinal Tap is truly the granddaddy of the spoofumentary genre

spoofumentary by markrp April 8, 2010

spockumentary 

A factual recounting of the life and times of a Star Trek character

Did you see the spockumentary last night? It was out of this world.

spockumentary by 3episoeepisodesofLITB December 11, 2017