<Tr> <Th> 154 </Th> <Td> 21 </Td> <Td> "Foreign Interference" </Td> <Td> John Behring </Td> <Td> Peter Blauner </Td> <Td> April 28, 2017 (2017 - 04 - 28) </Td> <Td> 721 </Td> <Td> 8.74 </Td> </Tr> <Tr> <Th> 155 </Th> <Td> 22 </Td> <Td> "The Thin Blue Line" </Td> <Td> David M. Barrett </Td> <Td> Ian Biederman </Td> <Td> May 5, 2017 (2017 - 05 - 05) </Td> <Td> 722 </Td> <Td> 9.24 </Td> </Tr> <Table> <Tr> <Th> No . overall </Th> <Th> No. in season </Th> <Th> Title </Th> <Th> Directed by </Th> <Th> Written by </Th> <Th> Original air date </Th> <Th> Prod . code </Th> <Th> U.S. viewers (millions) </Th> </Tr> <Tr> <Th> 156 </Th> <Td> </Td> <Td> "Cutting Losses" </Td> <Td> David M. Barrett </Td> <Td> Siobhan Byrne O'Connor </Td> <Td> September 29, 2017 (2017 - 09 - 29) </Td> <Td> 801 </Td> <Td> 10.04 </Td> </Tr> <Tr> <Th> 157 </Th> <Td> </Td> <Td> "Ghosts of the Past" </Td> <Td> John Behring </Td> <Td> Kevin Riley </Td> <Td> October 6, 2017 (2017 - 10 - 06) </Td> <Td> 803 </Td> <Td> 9.49 </Td> </Tr> <Tr> <Th> 158 </Th> <Td> </Td> <Td> "The Enemy of My Enemy" </Td> <Td> Robert Harmon </Td> <Td> Ian Biederman </Td> <Td> October 13, 2017 (2017 - 10 - 13) </Td> <Td> 802 </Td> <Td> 8.98 </Td> </Tr> <Tr> <Th> 159 </Th> <Td> </Td> <Td> "Out of the Blue" </Td> <Td> David M. Barrett </Td> <Td> Brian Burns </Td> <Td> October 20, 2017 (2017 - 10 - 20) </Td> <Td> 804 </Td> <Td> 9.08 </Td> </Tr> <Tr> <Th> 160 </Th> <Td> 5 </Td> <Td> "The Forgotten" </Td> <Td> Ralph Hemecker </Td> <Td> Allie Solomon </Td> <Td> October 27, 2017 (2017 - 10 - 27) </Td> <Td> 805 </Td> <Td> 8.29 </Td> </Tr> <Tr> <Th> 161 </Th> <Td> 6 </Td> <Td> "Brushed Off" </Td> <Td> Eric Laneuville </Td> <Td> Daniel Truly </Td> <Td> November 3, 2017 (2017 - 11 - 03) </Td> <Td> 806 </Td> <Td> 9.27 </Td> </Tr> <Tr> <Th> 162 </Th> <Td> 7 </Td> <Td> "Common Ground" </Td> <Td> David M. Barrett </Td> <Td> Siobhan Byrne O'Connor </Td> <Td> November 10, 2017 (2017 - 11 - 10) </Td> <Td> 807 </Td> <Td> TBD </Td> </Tr> <Tr> <Th> 163 </Th> <Td> 8 </Td> <Td> "Pick Your Poison" </Td> <Td> Heather Cappiello </Td> <Td> Kevin Wade </Td> <Td> November 17, 2017 (2017 - 11 - 17) </Td> <Td> 808 </Td> <Td> TBD </Td> </Tr> <Tr> <Th> 164 </Th> <Td> 9 </Td> <Td> "Pain Killers" </Td> <Td> John Behring </Td> <Td> Ian Biederman </Td> <Td> December 1, 2017 (2017 - 12 - 01) </Td> <Td> 809 </Td> <Td> TBD </Td> </Tr> <Tr> <Th> 165 </Th> <Td> 10 </Td> <Td> "Heavy is the Head" </Td> <Td> TBA </Td> <Td> TBA </Td> <Td> December 8, 2017 (2017 - 12 - 08) </Td> <Td> 810 </Td> <Td> TBD </Td> </Tr> </Table> <Tr> <Th> No . overall </Th> <Th> No. in season </Th> <Th> Title </Th> <Th> Directed by </Th> <Th> Written by </Th> <Th> Original air date </Th> <Th> Prod . code </Th> <Th> U.S. viewers (millions) </Th> </Tr>

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