Little Bill, bundled in his favorite blue jacket, is skipping stones near a shallow pond. Suddenly, he glances up and freezes—high above, a wispy, glowing figure floats against the clouds, shimmering eerily in the fading light. His heart thuds in his chest, and he stumbles backward, eyes wide.

Little Bill[/@ch_1] sprints towards the playground's edge.] "Help! There's a ghost in the sky!" he shouts, his voice trembling. He doesn't stop until he reaches the bright, geometric shapes of the Umi Car, where Geo Umizoomi is checking a gadget. His breath comes in quick gasps, and he clutches Geo Umizoomi's arm.

Geo Umizoomi, with his signature blue helmet and chipper energy, kneels beside Little Bill. "Whoa, slow down, Little Bill! What did you see?" "There was something floating in the sky. It looked like a ghost, all glowy and spooky, right above the trees!" "Let's get to the bottom of this mystery together. Team Umizoomi is always ready to help!" Geo Umizoomi taps his belt, activating his gadget.

Geo Umizoomi scans the sky with his Umi Scope, and Little Bill clings close. Suddenly, a flicker of white drifts above the treetops, and both boys watch as it swoops lower. "There! Let's follow it!" They hurry along the path, hearts pounding, determined to uncover the truth.

As they approach, Little Bill realizes the "ghost" is actually a large sheet, shining in the streetlights. Mr. Jenkins, the friendly park caretaker, waves from the ladder. "Hi there! Sorry if I spooked you—I'm setting up for the park's Halloween party tomorrow. This sheet got away from me!"

Little Bill giggles, relief washing over him. "I really thought it was a ghost! Thank you, Geo, for helping me figure it out." "No problem, Little Bill! Every mystery is a new adventure with friends." The two watch Mr. Jenkins finish his work, the park now glowing with lanterns and decorations—reminders that sometimes, the scariest things have the simplest explanations.