When a storm threatens Diwali celebrations, eight-year-old Sejal Sinha, a spunky Indian-American girl with an active imagination, tries to use science to save her family's beloved holiday.

Professor Cheetah and the moon mission -- Grown-up Mira -- Barking away the hurricane -- A small chance of evacuating -- Light over darkness -- Mira and the hot-pink smudge -- Time for cardboard box magic -- The green triangle of power -- The monster's eye -- Junior hurricane hunters -- Feeding the monster -- Punching into the eyewall -- The calm inside the storm -- Bumptastic -- Abu and the high-tech backpack -- Supercomputers, arfs, and grumpy Ross Herman -- The importance of snacks -- Mission: Lasso an iceberg -- Unstoppable kid power -- Mission accomplished? -- A cozy feast -- Light over darkness, take two.