Doraemon 3: Makai no Dungeon

Nobita can't take it any more! His teacher yells at him at school, his mom yells at him at home, his friends make fun of him, and the girl he likes is spending her time with someone else. He runs home to Doraemon, begging him to find a place where he can hide from the world. Doraemon uses one of his famous tools from the future and finds a hidden cave, deep underground. However, they soon stumble on an ancient altar and wind up releasing a strange (but friendly) creature named Bit. Nobita's frie...