Space Boy Soran (宇宙少年ソラン, Uchū Shōnen Soran) is a Japanese black and white anime television series created by Kazuya Fukumoto and Yoshikatsu Miyakoshi.
Dr. Tachibana once designed the highly dangerous antiproton bomb and planned to escape Earth with his wife and children for fear of prosecution.
The son is rescued by aliens called the Soran, who live on a planet with 15 times the gravity of Earth.
Chappy appeared to be like the initial design for Bokko, who was supposed to be a squirrel; she was thus changed to a rabbit.
Several members of Mushi Productions were fired or left due to suspicion of industrial espionage.