Joy's interrogation of Mary takes a turn. Misty gives Danny an earful. Ward extends an olive branch. Davos makes a crucial discovery.
While rival gangs battle for the soul of New York, Danny and Colleen cross paths with an old acquaintance. Joy embarks on a new adventure.
Gianna Toboni travels to America's Bible Belt to see how evangelicals are navigating today's volatile political environment. Ben Anderson reports on the Allied Democratic Forces and their actions inside the Democratic Republic of the Congo.
An awkward Jaqobis homecoming takes a deadly turn as Dutch and Zeph risk everything for science.
Joy offers Davos tips on appealing to the masses, Danny begins to understand his limits, and Mary seeks the truth about her past.
As Danny steps up his training, Davos ramps up recruitment. Ward falls prey to old demons, and Misty butts heads with a captain.
In the season finale, Iron Fists collide as the fate of New York City hangs in the balance.
Facing a life-changing decision, Danny and Colleen debate their next move. Meanwhile, Davos's contempt for mercy grows stronger.
Sam's frustration at being unable to find a therapist and Casey's anxiety about going to a new school spark a blowup between the two.
It's date night in Purgatory, which means dressing up, drinking, and fighting demons as a formidable, former foe stalks the gang.
Casey feels less than welcome at Clayton. Sam asks Paige to spell out the rules of their casual relationship, while Doug sets boundaries with Elsa.
In peer group, Sam realizes he needs to manage his own money. Doug gets advice from Megan on dealing with Elsa. Evan meets Casey's new friends.
Zahid teaches Sam to lie, while Elsa practices being honest. Evan helps Casey get over an embarrassment. A doctor visit forces Julia out of denial.
A peer group meeting leads Sam to an important decision. Detention with Izzie shows Casey they have more in common than she thought.
To prepare for college life, Sam sleeps over at Zahid's. Sam's loss reunites Doug and Elsa with Arlo's parents, former friends of theirs.
Sam loses his portfolio for his art school application and panics. Megan gets flirty with Doug, who makes a decision about Elsa. Julia calls Miles.
Blake puts his grand plan into action forcing Harry to summon all of his courage to take on his nemesis without the aid of the bracelets in the last-ever episode of the thriller.
Casey tells Izzie what Nate did. Sam tries to figure out which colleges to apply to. Doug discovers a need to educate first responders about autism.