With Katie's 40th birthday fast approaching, her self-esteem starts to wane. So Greg encourages her to go out and enjoy a night on the town with the girls, even suggesting she leave her wedding ring behind for a night of faux-single, silly fun. Meanwhile, Angela receives devastating news that will turn Doris' life upside down. While Katie is away, Greg enlists the kids' help to create a birthday present that is a heartfelt reminder of how much she is loved.

Frank is conflicted about how to deal with a former cop's gripe about his pension. Jamie helps a friend deal with illicit pictures of his daughter on the internet. Danny hunts down a killer who shot his online prison pen-pal. Anthony confronts the realization that his foster son might not be suited for police work.

Dara Ó Briain and Hugh Dennis return with a timely examination of current events in the company of guests Eshaan Akbar, Angela Barnes, Ed Gamble, Rhys James and Sindhu Vee.

Dire times call for dire measures

Liz and the Task Force investigate an infamous assassin who has a long history of weaponizing diseases, but has now turned to even more insidious activities. Red and Dembe travel to Cuba in search of a lead. Aram considers a new relationship.

In an infested desert, Flesh and Axel chase a crazed Max, who has held Jennifer and Owen hostage.

Behind the scenes of Season 2: Costner thoughts, fight choreography, Only Devils Left Making of, Yellowstone Tintype Photography.

Stories from the Bunkhouse" segments for each episode.