When there's a problem that needs more than one brain to solve, The Smart Princess Club is called to The Castle Lab in the Sky to figure out clues and solve the problem. And they'll need your help Cinderella, The Little Mermaid, Sleeping Beauty, Belle, Rapunzel, and Mulan love using their brains and helping kids understand how powerful their brains' are also In Episode 1 the girls will use Smart Princess Club Rule #1 - we can all get smarter if...