Decoding Megalodon is a 2021 documentary that delves into the scientific investigation of the extinct giant shark, Megalodon. The film explores how researchers use fossil evidence—such as Megalodon teeth—to decode the biology, size, and behavior of this prehistoric predator. It provides insights into how this massive creature achieved its gargantuan proportions, examining theories about its growth, feeding habits, and overall impact on ancient marine ecosystems. With a runtime of around 17 minutes, the documentary is part of the Breakthrough series featured on platforms like CuriosityStream and Apple TV+, blending accessible science with engaging visuals to shed light on one of the ocean's most formidable ancient predators.