The Ark of the Covenant, a golden chest built to hold the Ten Commandments, is one of the most important religious artifacts in the world. But over 2,500 years ago, the Ark disappeared. Ever since, legends, theories and Hollywood blockbusters have tried to explain what happened to it. Was it destroyed or captured? Or could it still exist? Olly explores the plausibility of one of the most exciting theories in the premiere episode.