Here are some other documentaries shot at Burning Man:

Confessions of a Burning Man by Paul Barnett & Unsu Lee
Dust & Illusions by Olivier Bonin
Voyage in Utopia by Laurent Le Gall
Beyond Black Rock by Damon Brown & Mike Wilson
Journey to the Flames by Doug Jacobson
Gifting It by Renea Roberts
Folding Time and Space by Robert Henrikson
Beyond Belief by Geoffrey Bennett Ulrich
TV Free Burning Man 2008 by Justin Gunn/Current
There’s also a new documentary called Spark: A Burning Man Story by Jessie Deeter and Steve Brown