From Aku Tenshi:
Doraemon, a cat shaped robot which came from the 22nd century in the future, goes back in time in order to help Nobita, a below average lazy kid, to make his life less miserable and improve his descendent's life. With many of Doreamon's gadgets from the future, Nobita's life will never be as the same.
It's the start of many interesting adventures after between the group of friends: Nobita Nobi, Doraemon, Shizuka Minamoto, Suneo Honekawa, and Takeshi "Giant" Goda.
This title is a classic manga/anime that dates back to 1973/08 and is still a child's favorite even today.
Doraemon was awarded the first Shogakukan Manga Award for children's manga in 1982, and the first Osamu Tezuka Culture Award in 1997.