Grimm Spinoff Announced By NBC 1 Year After Cancellation! Post author:TVReboots Post category:Grimm / TV Show Spinoffs Tags: Grimm, Grimm TV Show Cancelled You Might Also Like Power Spinoff Shows Set For Starz? Status & Release Date October 25, 2018 Orphan Black Spinoff Status, AMC Release Date March 13, 2019 Grease: Rydell High Musical Spin-Off TV Series Ordered By HBO Max October 17, 2019