Season 4, Episode 5. Preceded by The Dark Gates, next episode Behind The Shadows.
As usual, a new message arrives—however, this one is not from Professor Udite, but rather an unknown person going by, "Miss X". It simply says, "Don't ask questions. Don't mess with forces unknown. Time is of the essence."
- Sue: ...the bleep?Nerdly: Well, you see, because of the "don't ask questions", the, uh... Alright, I have no idea what to make of this.Solo: That's a first.