The gang is playing at the Clubhouse when a silicon rocket goes missing. Slippy’s sure the mysterious Alien Silicon Jellyfish must have taken it! The gang decides to look in the atmosphere of Jupiter, where Ella can explore its Great Red Spot while Slippy looks for the elusive Jellyfish. Despite using every strategy they can think of, the hunt is not successful. Meanwhile Ella heads off into the winds of the Great Red Spot. Ella had misgivings from the beginning, but she learns that supporting her friend is what matters most!

The year is 3021. The place is the Milky Way, where eight-year-old Ella gleefully heads out with her friends on exciting adventures of discovery. At only eight, she already knows quite a bit about space... but there is always more to explore!