Cryptids and Conspiracies! Episode 47: Hindenburg Disaster...Sabotage?

The dirigible ship the LZ 129 Hindenburg was anchoring to the tower when she suddenly burst into flames and the hydrogen gas caused her to burn and crash in a matter of moments! This ended the dominance of dirigibles as the chief air travel option and suddenly Airports sprung up and air travel went Airplane centric overnight! What caused this disaster when hundreds of trips landed safely for years? Was it a mere accident or was this sabotage?
Was the truth in the middle?