One of the LARP events I was at last year had a documentary crew wandering around, and they’ve produced this, which serves as a useful introduction to LARP as a concept:
In general it’s good. The two events they seem to have filmed are Curious Pastimes (most of the huge battles and set shots), which I don’t play; and Profound Decisions‘ Odyssey (All the wooden-palasade battles with romans and hoplites), which I help referee. The video is very much taken up with the kit and combat aspects of the game, rather than more talky roleplay, and it would be nice to see some points of view from the less fighty-smashy end of the spectrum, but the battles and battle imagery is without doubt the impressive spectacle you need for a video documentary.
(Also the bit of the documentary where there’s a bloke with a staff that bends around corners to hit people? that’s actually dangerous and made me cringe.)