The spaceship of Prince Betelgernorapex 398 of an alien empire crash lands on Earth, specifically near the home of the Levonian family. An intergalactic guest knows everything about our planet. Due to his exceptional knowledge, as well as his extremely long name, his new friends, Artem and Gisane, call him Gitunoid. With the help of Gitunoid, children appear in the animated world in each series and learn more about a phenomenon. how does the human body work, what is photosynthesis, how were the Egyptian pyramids built and other interesting facts. Each time, during a similar scientific journey or scientific tour, many adventures and trials await the heroes of the film. Will the kind and intelligent newcomer, with the help of Artem and Gisane, be able to repair the damaged spaceship and return home?