
These shows were introduced and peacock even had them on their list of coming shows. They have been deleted from that list quite a while ago, and in my opinion they will never happen.
https://www.tvmaze.com/shows/38515/law-order-hate-crimes
https://www.tvmaze.com/shows/43876/battlestar-galactica
https://www.tvmaze.com/shows/51703/new-york-undercover