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SEASON 4: EPISODE 2 AIRS: 9/30/2011
EPISODE TITLE: One Night in October
EPISODE SYNOPSIS: Walternate and his team call upon their counterparts from This Side for help when a serial killer goes on a bloody rampage. However, when they recruit the killer's This Side counterpart, a professor of forensic psychology, the team is forced to consider whether they can put civilians at risk.