Shithole. Then, Arpaio. Next, Sam toys with changing the show’s name to Ask A Blockchain, until Dan and Josh help calculate environmental impact of cryptocurrency use. Finally, Dan explains the science of sleep paralysis and exploding head syndrome.

Becky, Josh, and Dan celebrate Roy Moore’s election loss, Sam speaks with official horse correspondent Kristi for some equine analysis, we repeat 7 CDC no-no words on air, marvel at Kim Jong Un’s purported ability to control extreme weather, and laugh, for science, with Dan.