The Lord incarnated upon the earth nine times. The seventh was known as "Ram Avatar." Ramanand Sagar's Ramayan is the story of the incarnation. It covers the entire story in detail up to Ram's coronation.
Hattori a ninja boy who has come from the Iga mountains is now a part of the Mitsuba family along with his brother Shinzo and his ninja dog. Hattori helps Kenichi with his problems and constantly keeps an eye on him as a good friend.
Doraemon is a robotic cat that comes from the 22nd century. He comes to 20th century and stays with Nobi Family. The Nobis love Doraemon very much. So Doraemon always help the Nobis with the devices from 22nd century.