Adam and Jamie turn dirigible detectives to try and solve one of aeronautics's biggest puzzles: was it the Hindenburg's paint (a mix of iron oxide and aluminum) or its hydrogen filling that made the blimp burn so quickly? To test this myth, the team must apply their engineering know-how and their knowledge of chemical reactions. Meanwhile, Kari, Tory and Grant ponder if you can outrun a crocodile by moving in a zigzag.

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