The Food That Built America season 5 episode 11
Episode title: Citrus Soda Stars
A small-time St. Louis soda maker, Charles Leiper Grigg, takes on Coke and Pepsi by introducing a clear, lemon-lime soda he calls 7-Up. At the same time, two brothers in Tennessee, Ali and Barney Hartman, have their own, called Mountain Dew.
