Episode 23

HBO takes viewers behind the scenes of House of the Dragon. Each episode showcases everything from set construction and digital effects to cast interviews and producer insight.

In a ruined and toxic future, thousands live in a giant silo deep underground. After its sheriff breaks a cardinal rule and residents die mysteriously, engineer Juliette starts to uncover shocking secrets and the truth about the silo.

Set 200 years before the events of Game of Thrones, House of the Dragon tells the history of House Targaryen as they fight through a civil war.

A young boy known as the Avatar must master the four elemental powers to save a world at war — and fight a ruthless enemy bent on stopping him.

In the criminal justice system, sexually-based offenses are considered especially heinous. In New York City, the dedicated detectives who investigate these vicious felonies are members of an elite squad known as the Special Victims Unit. These are their stories.