Overview: Joe and Gordon discuss Comet's future; Donna takes a vacation. A new collaborator challenges Cameron. Bos and Diane make a life-altering choice.
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First Air Date: Jun 01, 2014Last Air date: Oct 14, 2017Season: 4 SeasonEpisode: 40 EpisodeRuntime: 43 minutesQuality: HDIMDb: 7.95 / 10 by 467 usersPopularity: 71.561Language: English