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Omnivore is the eighteenth episode of the fourth season of Criminal Minds, and the eighty-third episode overall.
Starring: Joe Mantegna (David Rossi), Paget Brewster (Emily Prentiss), Kirsten Vangsness (Penelope Garcia), Shemar Moore (Derek Morgan), Matthew Gray Gubler (Dr. Spencer Reid), A.J. Cook (Jennifer "JJ" Jareau), Thomas Gibson (Aaron "Hotch" Hotchner)