Criminal Minds: "Mayhem"--When an SUV carrying members of the BAU explodes, the rest of the team fights to save their colleagues and catch the terrorists responsible for the bombing, on the fourth season premiere of CRIMINAL MINDS, Wednesday, Sept. 24 (9:00-10:00 PM, ET/PT) on CBS. Criminal Minds starring Joe Mantegna, Thomas Gibson, Shemar Moore, Paget Brewster, A.J. Cook, Matthew Gray Gubler and Kirsten Vangsness!