Bubba and Blaney go to drivers' education; Karsyn interviews her uncle, Dale Earnhardt Jr.; learning how teams use the science of the wind tunnel to make their cars fast.

On today's NASCAR Hammer Down, Bubba and Blaney race RC Cars, Karsyn's hero, Danica Patrick, joins her for Rapid Fire, and we learn why fast pit crews are just as important as fast cars on race day.

On today's NASCAR Hammer Down, things get spooky as Bubba and Blaney have some Halloween fun, Chase Elliott joins Karsyn for Rapid Fire, and we learn how the race gets from the track to your TV!

Today, on NASCAR Hammer Down, Austin Dillon joins host Karsyn Elledge, for Rapid Fire, Bubba and Blaney race go-karts with some new friends , and we learn why spotters are so important on race day.

Host Karsyn Elledge has some questions for Kyle Larson; Bubba pranks Blaney on the green screen; NASCAR paint schemes.

Host Karsyn Elledge puts Joey Logano in the hot seat; Bubba and Blaney go under cover as NASCAR reporters; the inner workings of race control.