How To Stream The Unsolved Mysteries Documentary: As we mentioned in the intro, the 55-minute documentary Unsolved Mysteries: Behind the Legacy is currently streaming on Pluto and YouTube.

“Unsolved Mysteries: Behind the Legacy” is currently streaming exclusively on Pluto TV. On Oct. 20, it will expand to other platforms including Amazon Freevee, Tubi and the Roku Channel.

Unsolved Mysteries fans have come to a consensus about the show’s legendary theme song. Here’s what they’ve been saying on social media.