Overview: Karen indulges her competitive instincts, and Ben explores human psychology.
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First Air Date: Aug 28, 2007Last Air date: Mar 05, 2014Season: 5 SeasonEpisode: 31 EpisodeRuntime: 30 minutesQuality: HDIMDb: 7.70 / 10 by 61 usersPopularity: 23.605Language: English