Season 15, Episode 12

Wild Yeast Risin'

First the pandemic, then the zombies, then the nukes and now: desolation and a giant dinosaur-thing. Luckily there are still plenty of yeast in the air, and Alton Brown proves that with a wild sourdough in the kitchen, the post-apocalyptic world can still taste good -- and he makes cheese crackers and waffles to prove it.

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