Episode 3: The Elevator

The Elevator is the 3rd episode in Unknown 9: Out of Sight scripted podcasts series.

Puzzle
At the end of the episode (26:22), 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 the wall. It reads: IURSRNTDE. It's currently considered to be anagram of "INTRUDERS".