This week's must-see TV includes a fresh season of a martial arts hit, a terrifying new Netflix series, and the end of an era in the DC Universe.

Netflix delivers a fresh teen romance, a young princess steals the spotlight, and "Chernobyl" brings a chilling catastrophe to life.

Here's why you can't miss the return of Marvel's highly adaptive covert agency, the story of one of the greatest rap groups of all time, and a modern take on "Lord of the Flies."