A new featurette which details what's been going on during the production of the final season of Yellowstone has been released by Paramount, and it highlights just how seriously the production team is taking security measures to keep the final season's secrets under wraps, following the long-gestating departure of series lead Kevin Costner, who went off to make his own Western series in the form of his passion project, Horizon. Honestly, it gives vibes of the Marvel Cinematic Universe because of how close things have been kept to the chest behind the scenes of the Dutton ranch. So what's been going on in the Yellowstone Cinematic Yeehawniverse? Let's have a look and find out, shall we?