The team is sent out to investigate a ritualistic killer on Criminal Minds. "The Lesson" is the tenth episode of the show's ninth season.
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Criminal Minds Season 8 Episode 10 Quotes

Thomas Merton once wrote "Love is our true destiny. We do not find the meaning of life by ourselves alone. We find it with another."

Reid

JJ: Well I think after this long hard week we just had we should all head over to Rossi's and pop open some old expensive wine.
Rossi: That's a plan.
Garcia: Could we maybe play some games too?
Morgan: What kind of games?
Garcia: You tell me, sweet cheeks.