Harriet's brothers are hoping to enter a local battle of the bands. Winning could get them on a reality TV show! But low funds have left them without even a working guitar. The Startup Squad jumps into action-and quickly pulls together a plan to sell T-shirts to raise money. The girls have a lot of great ideas-until everything starts to go wrong. When all the problems start turning disappointed fans into an angry mob, the girls realize they have to...

All four friends in the Startup Squad want to raise money--but when they can't agree on what business to start next, they strike off on their own. Didi's idea seems perfect: making place cards for a wedding. But after the wedding planner gets sick, Didi finds herself in charge of everything--and then the caterer cancels and the band goes missing! Didi's business is turning from a dream to a disaster. Will the Startup Squad come together in time to...