Obake no Q-Tarō

is a Japanese manga series by the famous mangaka duo Fujiko Fujio from 1964 to 1966 before Fujiko F. Fujio (Hiroshi Fujimoto) took over the work in 1971 to 1974. The manga had spawned three anime series adaptations.
 * The first was a monochrome series shown on TBS which ran from 1965 to 1967.
 * The second series in color, ran from 1971 to 1972 on Nippon TV.
 * The third series ran from 1985 to 1987 on TV Asahi.

The series was broadcast in the United States in the 1970s as Little Ghost Q-Taro, making it one of only two works by Fujiko F. Fujio to be localized in English.

Its popularity from the first anime created the cultural phenomenon called "Oba-Q boom" (オバQブーム Oba-Kyū būmu), which made the series have a 30% audience rating, gain high popularity among children and spawn a variety of toys, songs, clothes, as well a host of imitators. The basis of its rising popularity lies in focus of Q-Taro's curiosity with the everyday structuring of Japanese society and the comedic situations that occurred because of Q-Tarō misinterpreting it.

Plot
The story is usually focused on the antics of a mischief-making ghost named Q-Tarō and his friends and the Ohara Family.