Izzy Hawthorne has always dreamed of being a Space Ranger just like her grandmother, the legendary Alisha Hawthorne. Izzy's dream is put to the test when a mysterious spaceship arrives at ther home planet of T'Kani prime. Her fellow citizens are trapped and she must team up with the remaining members of the junior Zap patrol to save the day. All they need to do is fly upto the mysterious ship, disable the robot invaders, and rescue the planet from an uncertain doom. Or as Izzy calls it: Operation Surprise Party. This team of rookies will face down the planet's giant bugs, monstrous vines, and single-minded robots. With the return of Buzz Lightyear, can Izzy overcome her fear of space and save the planet from these mysterious invaders? They'll have to act quickly or risk losing everything. including Izzy's only chance at going to space.