第 4 季 共 13 集
播出时间：2016年6月3日
第 1 集 Monsieur et Madame Bete
播出时间：2016年6月3日
Vincent and Cat’s wedded bliss comes to a halt when they learn from J.T. that someone is trying to expose the identities of beasts. While on the hunt to find out who is behind the threat, Tess is reluctant to help since they are all trying to move forward with an attempt at normal lives.
第 2 集 Beast Interrupted
播出时间：2016年6月10日
As Cat and Vincent hunt for a black market buyer searching for beasts, they have to protect an heiress whose identity was exposed. Cat and Vincent realize how much they have to lose if Vincent's true identity is revealed.
第 3 集 Down for the Count
播出时间：2016年6月17日
While attempting to be normal newlyweds, Cat and Vincent grapple with how to overcome the danger lurking. They find themselves in the fight of their lives when their happiness becomes jeopardized.
第 4 集 Something’s Gotta Give
播出时间：2016年6月24日
While working to uncover who is after Vincent, Cat discovers she might be pregnant. A lead Vincent follows puts his life in jeopardy. Meanwhile, J.T. gets kidnapped in a case of mistaken identity.
第 5 集 It’s a Wonderful Beast
播出时间：2016年7月1日
Vincent and Cat realize they have to go into hiding now that someone is out to kill Vincent. Vincent wonders if Cat would have been better off without him and gets a glimpse into exactly what her life could have been.
第 6 集 Beast of Times, Worst of Times
播出时间：2016年7月8日
Vincent and Cat discover that there is another nemesis out to get Vincent, which brings the gang closer together in more ways than one. Cat and Vincent are forced on opposite sides of the law, which puts their relationship in jeopardy.
第 7 集 Point Of No Return
播出时间：2016年7月15日
With Vincent in hiding and Cat's job on the line, they must re-group about how to bring down the people hunting beasts. Vincent tries to infiltrate a private army, while Cat scrambles to obtain information and hopes that no one at work discovers her ulterior motives.
第 8 集 Love Is a Battlefield
播出时间：2016年7月22日
Vincent goes undercover with a sexy operative, who Cat discovers is an assassin. Vincent has to play both sides, while Cat has to convince DHS she can still be trusted.
第 9 集 The Getaway
播出时间：2016年7月29日
Vincent and Cat fight to reclaim some normalcy to their lives, even as the threats of a beast bounty and a DHS manhunt loom. Meanwhile, Tess takes a huge risk by protecting Vincent from a nosy reporter.
第 10 集 Means To An End
播出时间：2016年8月12日
Vincent is forced to undergo a series of tests orchestrated by the mystery buyer in order to keep from being exposed. Cat, JT and Heather work to exonerate Vincent.
第 11 集 Meet The New Beast
播出时间：2016年8月26日
When Vincent and Cat discover they lost control of their secret, they finally admit it might be time for life on the run. Vincent realizes he must face his past, while Cat worries about how much they have to lose.
第 12 集 No Way Out
播出时间：2016年9月9日
Cat and Vincent face a huge setback when Vincent is secretly interrogated about an impending attack, putting Vincent at his breaking point.
第 13 集 Au Revoir
播出时间：2016年9月16日
Vincent and Cat are prepared to make the final sacrifice to halt an attack and eliminate beast makers from the world once and for all.
