Shows about time travel are pretty common, as shows like Quantum Leap and Doctor Who have a lot of fun with the premise. The advantage is that the main characters get to go to a new...time every episode, but that gets pretty expensive, budget-wise. Not only that, time travel plotlines get very confusing, and NBC's new show Timeless appears to be falling into these conventions but is also flipping them on their end. This is our review of NBC's new Timeless with Spoilers.