Doraemon (2005)

A robot-type cat known as Doraemon was sent back to the past by Sewashi Nobi to help a lazy boy named Nobita Nobi. With Doraemon's gadgets, Nobita uses it for several mischiefs and sometimes take revenge on his bully, Chaien, Takeshi Goda, but things get a little out of control. Both of them and their friends went to adventures using the future gadgets. Sometimes Doraemon misplace his necessary gadgets which leads them into a bigger problem, but in the end, things turn out well.