The world of pop culture is filled with mysterious creatures. From boogeymen to wendigos, all manner of strange and unusual beings exist in TV and film, their origins often unknown. In The A.V. Club’s new video series Crazy About Cryptozoology, we take a closer look at a few noteworthy examples of mythical beasts and how they’ve been represented both onscreen and off. In this third episode, Erik Adams drains the lake to reveal pop-culture portrayals of the elusive giant called the Loch Ness monster.