It's the season 4 finale! Why in the world has Mindy has turned her old ice cream truck into a mini museum of Wow on Wheels? And how in the world will this "rolling thunder of science and wonder" inspire a sense of AWE in the neighborhood? Join Mindy, Guy Raz, and the rest of the gang on a trip down memory lane to explore WOW can lead to a love of science! It's the Who, What, When, Where, Why, How, and Wow in the world of Awe and Wonder!