CBS later announced that a spinoff titled Boston Blue was ordered straight to series and would expand the universe with Wahlberg’s character. The actor hasn’t ruled out appearances from his former onscreen family members — with Moynahan the first to be confirmed.

TV siblings Bridget Moynahan and Donnie Wahlberg are back together on CBS’ spinoff series, “Boston Blue,” this fall. Moynahan is set to reprise her role as Erin Reagan as a special guest in the premiere episode of the new series, airing in October.

Moynahan will make a special guest appearance as Erin Reagan in the premiere and will also direct an upcoming episode of the spinoff