Considered the most haunted doll in the world, Robert the Doll lives behind glass in a museum in Key West, Florida, where every year thousands of visitors who fail to follow his rules find themselves cursed. Victims have experienced illness, injury, accidents and even death. But what makes Robert curse his victims? What evil entity lives inside this doll? This latest Shock Docs installment explores the true origin of Robert the Doll, uncovers the story of Robert's first owners in 1905, and seeks to find out why this doll is so nefarious.

A possessed Babushka doll unleashes a nesting chain of malevolent entities, forcing a mother and her young daughter to confront a legacy of generational trauma—unfolding through a narrative structured like the doll itself.