Criminal Minds Wiki
Criminal Minds Wiki

"Red Light" is the twenty-second episode of Season Twelve of Criminal Minds, and the second of the two-part season finale and the 277th overall.


Caught in an impossible situation, Reid must face an old nemesis. Meanwhile, Derek Morgan comes to the BAU with a lead that might help them find Mr. Scratch.

Guest Cast


  • "Moonlight Serenade" by Glenn Miller and His Orchestra
  • "Journey On" by Elms District

Bookend Quotes

  • Emily Prentiss: "The villainy you teach me I will execute, and it shall go hard, but I will better the instruction." - William Shakespeare


  • The term "red light" is used both as a noun (a red traffic light instructing vehicles to stop moving) and as a verb (to refuse an action).
  • A scene from the Season Eight finale episode "The Replicator" is reused. In it, two helicopters used by the BAU are flying overhead the rooftops.
  • In the end scene of Episode 22 when the spike strips are deployed, 2 newer model Chevy SUVs were shown, but when they get hit by the semi they are older models.

Criminal Minds Episodes