It's been 45 years since audiences were first introduced to the Ewing family. Before there were shows like "Game of Thrones" and "Breaking Bad," there was "Dallas," the must-see TV show of the ‘80s.

The debut season of Luke Grimes’ Yellowstone spin-off, Marshals, has officially wrapped. But when the end credits roll on Season 1’s finale, fans will still be lacking closure on major storylines and ...