Season 4, Episode 1 Mayhem. The eighth season of Criminal Minds premiered on CBS on September 26, 2012. With Joe Mantegna, Paget Brewster, Shemar Moore, Matthew Gray Gubler. First Aired: September 24, 2008.

As the city is on high alert, the team begins to believe that they have made a mistake with the profile and that everything the terrorists have done so far may in fact just have been diversion for something even bigger.

The fourth-season opener follows the aftermath of the bombing in New York City. Criminal Minds Season show reviews & Metacritic score: After a bomb explodes an SUV in New York City that might be carrying a BAU member, the team goes into … Directed by Edward Allen Bernero. "Criminal Minds" Mayhem (TV Episode 2008) cast and crew credits, including actors, actresses, directors, writers and more.

The series …

In the season premiere "Mayhem", Sienna Guillory and Erik Palladino reprise as SSA Kate …