Edit: A bit later, I was all the more convinced about the Nat Geo episode, so I dug up the series url[1] and looked through all the episodes of all the seasons

Edit: A bit later, I was all the more convinced about the Nat Geo episode, so I dug up the series url[1] and looked through all the episodes of all the seasons but couldn't find it. But interestingly, the whole season 6 is somehow missing from the drop down!!! Any thoughts? [1] http://www.natgeotv.com/uk/shows/natgeo/air-crash-investigation http://www.natgeotv.com/uk/shows/natgeo/air-crash-investigat...