With the help of Ben Franklin, the Twins learn what it means to be an entrepreneur and start their own corndog stand. By learning about entrepreneurship, the twins are able to grow a business.
With their eyes set on a big carnival prize, Ethan and Emily learn that printing more tickets causes prices to rise. They visit ancient Rome and modern Zimbabwe to see the Inflation Monster at work, then rush back to save the carnival.
Baseball isn't all fun when a fight breaks out about a bad call by the ump. Emily knows the truth but should she stay quiet and be faithful to her team instead?
When the Twins' business is hurt by a subsidy, they visit Ludwig Von Mises and crash-land in a Spooky land where they learn just how stinky the market can get.
At Mr. Wonky's Toy Factory business comes to a halt when top toy designer Tammy Tinkerton quits because she isn't being paid fairly. The twins learn about the dangers of communism by meeting Babe Ruth and visiting Cuba.
The Twins learn that big businesses like Big Bob's BBQ can sometimes produce laws that keep smaller businesses like Food Trucks from being able to survive. They visit Atlantis and try to stop protectionism there before things get too wet.