Glowing in the Dark (1997)

Set against a backdrop of spectacular neon footage of Vancouver, Los Angeles, and Las Vegas, the film is an illuminating exploration into the vibrant history and contemporary use of neon. The movement, power, and raw exuberance of neon is revealed through a fascinating demonstration of how neon is made, a montage of notable neon installations and commentary from a colorful array of neon experts.

Unfortunately the movie Glowing in the Dark is not yet available on HBO Max.