Episode 2: The Nightmare Artist

The Nightmare Artist is the 2nd episode in Unknown 9: Out of Sight scripted podcasts series.

Puzzle
At the end of the episode (22:57), you can hear beeping sounds that at this point are considered to be an unsolved puzzle.

On the cover art for this episode, there's a writing on girl's shirt. It reads: OLTHE. It's currently considered to be anagram of "HOTEL" or "HELOT".