It got its arms around a lot in a very affectionate way.

On the surface, it’s a straightforward history of the show’s growth spurts on the way to becoming a cultural juggernaut. "Strange Journey" charmingly recounts how it emerged.

The opportunity here is so unique and perhaps Linus O’Brien could have done a little bit more with it... But this is a tidy and sincerely admiring overview.

Strange Journey is an entertaining, affectionate and insightful origin story of Rocky Horror's enduring legacy.