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Compulsion is the second episode of the first season of Criminal Minds.
Starring: Mandy Patinkin (Jason Gideon), Thomas Gibson (Aaron Hotchner), Lola Glaudini (Elle Greenaway), Shemar Moore (Derek Morgan), Matthew Gray Gubler (Dr. Spencer Reid), A.J. Cook (Jennifer "J.J." Jareau)
Co-Starring: Michael David Cheng (Arson Investigator), Evan Lee Dahl (Jeremy), Sage Mears (1st Chem Student), Kristen Caldwell (2nd Chem Student), Bob Jesser (Professor Wallace), Rolando Millet (Campus Security Guard), Erika T. Johnson (Agent Trainee), Nathaniel Moon (2nd Agent Trainee), Christopher Mowod (Campus Patroller), J.J. Dashnaw (Matthew Cooke)
The BAU investigates a series of deadly fires that have occurred in Tempe, Arizona.