Kaiketsu Zorori - Season 1 Episode 15 The Giant Monster

Noshishi wins a lifetime supply of sweets and Zorori uses it to build a castle out of candy in the shape of a monster. Once the castle is done, a news report says a giant monster has appeared in the city, one who loves sweets. It heads toward Zorori's castle, and Zorori tries to stop him. All his plans fail and the monster destroys the castle. The monster starts to cry and Zorori realizes the monster is just a child who mistook the castle for his mother. Zorori wants to help him but Noshishi objects to the idea of taking care of a dinosaur, giving Zorori an idea. He takes the monster to the dinosaur mother and asks her to take care of him. Based on book 10.