In the 30 years special, he is said to be mischievous as well.
Some of the segments were found in the archives of in 1995, and some others were recovered by Jun Masami in 2003.
On the other hand, according to an analysis by , professor of cultural anthropology at Duke University, the strong point of it was not the variety of the gadgets, but the relationship between Doraemon and Nobita, which was particularly appreciated.