Mastermind - Season 12 / Year 2021

20/20 continues to combine hard-hitting investigative reports, newsmaker interviews and compelling human interest and feature stories.

Rescue: HI-Surf is an action drama that follows the personal and professional lives of the heavy-water lifeguards who patrol and protect the North Shore of O‘ahu—the most famous and dangerous stretch of coastline in the world. Each episode features these dedicated, heroic, and adrenaline-seeking first-responders saving lives in the difficult and often life-threatening conditions of Hawaii's Seven Mile Miracle.

In any given year, more than 600,000 people are reported missing in the U.S. More than half that number are people of color that the country seems to forget about. Public relations specialist Gabi Mosely - who was once herself one of those forgotten ones - and her crisis management team now make sure there is always someone looking out for the forgotten missing people. But unbeknownst to anyone, this everyday hero is hiding a chilling secret of her own.

Animal Control is a workplace comedy following a group of Animal Control workers whose lives are complicated by the fact that animals are simple, but humans are not.

The Curse of Oak Island documents brothers Rick and Marty Lagina as they pursue their lifelong dream of solving more than a 220-year old Oak Island mystery. For over two centuries, teams of searchers, including Franklin D. Roosevelt, have attempted to crack the code that will unearth the treasure believed to be buried on the small island off the coast of Nova Scotia. Armed with the knowledge of those that came before them, the muscle of heavy machinery and decades of engineering know-how, the Lagina's and their partners may be closer than anyone in history to finding the treasure that has so far claimed the lives of six men.