Season 5 Air Date Jun 22, 2015 21:30:01 GMT Quote Select PostDeselect PostLink to PostMemberGive GiftBack to Top Post by Helen Bezzo on Jun 22, 2015 21:30:01 GMT Great news, Grimmsters! NBC have announced an air date for Grimm's Fifth Season. The new season will premiere on Friday 30th October at 9pm/8pmC. Let the countdown begin!