21 episodes of season 8 blue bloods were aired in 2017.
how many episodes of season 8 blue bloods aired in 2017?
21
according to tv by the numbers, by committing itself to a third season of "blue bloods", cbs all but guaranteed a fourth season, because, as a cbs television studios production, cbs had a financial incentive to produce at least the minimum number of episodes needed for stripped syndication. on march 27, 2013, cbs made it official by renewing "blue bloods" for a fourth season to begin in the fall of 2013.





























"blue bloods" was renewed for a fifth season on march 13, 2014, and has since been renewed for seasons 6, 7, 8, 9 and 10.
blue bloods (tv series)
blue bloods (season 8)





























the eighth season of "blue bloods", a police procedural drama series created by robin green and mitchell burgess, premiered on cbs on september 29, 2017. the season contained 22 episodes and concluded on may 11, 2018.





























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blue bloods (season 8)