Entertainment Tonight for Thursday, January 1, 2026

Tonight! How five unknowns became a larger than life phenomenon. The struggles, the comebacks, and a worldwide takeover unlike anything pop has seen since. Secrets revealed about the best-selling boy band of all time. Behind-the-scenes of the music videos that made them icons and their first ET interviews long before Backstreet Boys fame. We unlock the ET vault revealing never before seen interviews that span four decades!