There’s no shortage of Yellowstone spinoffs, thanks to the incredible success of the original series, but that doesn’t mean there isn’t room for one more.
Another Yellowstone prequel, currently titled 6666 (pronounced “Four Sixes), is in the works, series creator Taylor Sheridan has confirmed. But there’s one big problem: Sheridan isn’t saying when the series will premiere and as of this writing, there’s no cast.
