In the preview for the next episode, entitled 'A Beautiful Disaster,' Derek Morgan (Shemar Moore) is

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"Do you see red, I see red," a voice -- most likely Derek's -- is heard in the background. This is followed by a confrontation between Derek and Hotch (Thomas Gibson).

"I can't sit down and do nothing," he says aggressively. To which Hotch responds with stone cold composure: "You're off the case."

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In one frame the BAU members are also seen very concernedly looking at CCTV footage of Derek doing something shocking. It almost seems like Derek goes AWOL and off on his own miltant mission. The most heart rending bit comes when a deeply distraught Derek is seen talking to Penelope Garcia (Kirsten Vangsness) over the phone, revealing something devastating that makes her drop the phone and panic-stricken.

The episode is being pitched as the most "powerful episode of the season."

The series has been revealing a lot about and focussing on Derek's character lately, and fans have been watching his unravelling, which, it seems, will continue with this episode.

In a TVLine inetrview Criminal Minds showrunner Erica Messer had dished about Derek character arc in this season.

"There is a lot going on with Derek," she said. "He's really taking up our emotional head space for a good chunk of this midseason stretch."

'A Beautiful Disaster' will air on March 23 on CBS.

Watch the preview:

Tags: Criminal Minds CBS television