Most of the filming of this episode was done in the natural reserve Prachov Rocks formations in the Czech Republic approximately 5 kilometers west of Jicin.
Series creator Travis Beacham has said that when imagining the world of his film-script-turned-TV-series, he'd thought of so much backstory that if he'd been writing the script for "Carnival Row" again today, he wouldn't even think to write it as a film.
In filming these Tirnanoc sequences, the production had as many as 17 stunt actors wired to cranes, all "flying" on screen at the same time.
In the lore of the series, faerish reverence for the natural world includes a comfort with sex, which lies directly at odds with the more puritanical beliefs of their human counterparts residing in The Burgue.
According to series lore, written Tirnanese history begins before that of mankind. Faerish civilization had been well underway when humans were still living in Stone Age conditions on the other side of the world.