Ariana Grande takes the stage in London for her Sweetener World Tour and shares a behind-the-scenes look at her life in rehearsal and on the road.

This documentary-drama hybrid explores the dangerous human impact of social networking, with tech experts sounding the alarm on their own creations.

The spectacular rise and scandalous fall of hot-yoga evangelist Bikram Choudhury is chronicled through archival footage and extensive insider interviews.