Danny and Maria investigate when an expectant mother is a victim of a “knockout game,” in which teenagers punch unsuspecting civilians in the head. Meanwhile, Frank wrestles with promoting an officer when he thinks it can be viewed as favoritism.
Watch Blue Bloods s.4 ep.17 (Knockout Game) Online
- Director: Robert Harmon
- Cast: Donnie Wahlberg | Bridget Moynahan | Will Estes
- Rating (IMDB): 8.0
- Today: 51 Views
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