30 years after the world's worst nuclear disaster, FRONTLINE and New York University present "Return to Chernobyl." This VR doc takes you on a haunting 360° journey inside the ruins, guided by Aleksandr who was just 9 years old when he survived Chernobyl. Today, Aleksandr is a tour guide bringing throngs of visitors through his notorious hometown -- despite still dangerous levels of radiation. | FRONTLINE | PBS

Introducing #ChernobylHBO, a five-part miniseries about one of the worst man-made catastrophes in history. Starring Jared Harris, Stellan Skarsgård and Emily Watson. Premieres May 6 at 9pm on HBO. | HBO