If you were to try to come up with the most outlandish survival story imaginable, you’d be hard pressed to do much better than the tale of Michael Proudfoot, a scuba diver who found himself trapped alone in a shipwreck deep under the sea and running out of air. It’s the ultimate nightmare scenario for a diver, and yet somehow Proudfoot managed to live through it. Or maybe not. Maybe none of it ever happened. This week on the Outside Podcast, we revisit a classic episode from our archives that had us take our own deep dive into a legend that seems too astonishing to be true—but just might be.