Premium channel Starz gets into the prestige sci-fi game with Counterpart, an espionage thriller starring J.K. Simmons and featuring spies, parallel universes, and games of Go. Although the series doesn't officially premiere until this Sunday, Starz has made the pilot available for viewing since December 10th of last year. Fringe by the way of The Americans, the Counterpart pilot offers thrills and suspense at a brisk clip and introduces us to its dizzying world with a rock solid first outing. Minor spoilers ahead...

What makes a killer kill? Netflix's new series from David Fincher and creator Joe Penhall about the birth of serial killer profiling, based on the true crime book of the same name, tries to answer that question in a mostly worthwhile trip to the 1970s with one caveat: the pilot is a mess. Tough out the first episode, however, and you will be rewarded with a gripping look at the real-life psyches of America's most disturbed murderers. Mild spoilers ahead...