An alien befriends a young girl living in the Huangshan Mountains. Stitch becomes Ai's "dog", and the two help each other in dealing with the other's problems; Ai helps Stitch deal with the space criminals, while he helps her stay in the mountains with her family.
Down to Earth is an American fantasy situation comedy series that ran on Superstation TBS from 1984 to 1987. The series was originally produced by The Arthur Company, and later, by Procter & Gamble Productions and was the Superstation's first original series.