Brain in a Cave.Hanazuki begins preparing everyone on the moon for the Big Bad's return. However, the Hemkas fear the Treasure Trees will not recover in time, so they help Kiazuki build a larger Spacesurfer for them to all escape in, saddening Hanazuki. Suspicious of Kiazuki's willingness to accept their help, Hanazuki and Sleepy discover that she has been working with a megalomaniacal brain named Basil Ganglia, whom Kiazuki has tricked into giving her blueprints for her new ship...