About Bill Nye Saves the World Season 1, Episode 8 : This Diet Is Bananas

What's in a calorie? Bill flambés a marshmallow in the name of science, experts weigh in on fad diets, and singing kale keeps it real about nutrition. Guest Stars: Tracy Mann, Sara Benincasa, Jennifer Widerstrom, Martin Starr, Lauren Ash, Jeff Dye, Andi Osho, Heather McDonald, Aubrey Anderson-Emmons, Karlie Kloss,