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.
After a failed kids club fundraiser, the gang runs into William Bradford, the pilgrims, and Karl Marx as they wrestle with socialism and its consequences.
After Emily fails a test, the twins wonder whether school is the best way to learn--prompting Grandma to whisk them off to a familiar place in the past, before stopping by the most famous mind in history, and then a rumble in the jungle...
Invaders from another world kidnap Derek, launching Grandma and the twins on a dangerous rescue mission. On a dark planet, the twins encounter mysterious clues, cyborgs and spy gadgets as they solve the mystery of why capitalism is failing
It's Christmas time, and when the twins argue about saving money versus spending it, Grandma introduces them to a board game that unleashes creatures and chaos into the Tuttle's home.