Nobita and Doraemon venture to the Heavy Smokers Forest in the Congo, where they find a stray dog and a giant statue. After discovering that they are wanted for trespassing on isolated kingdom land, Nobita and the rest must utilize the power of the mysterious statue to prove their worth.

When Suneo does not show Nobita the fossil of a dinosaur claw, he takes up a challenge to find a dinosaur. He digs up a hillside and finds an egg, which later hatches and becomes a dinosaur.

Lopple and Chammy, two runaway aliens, recruit Doraemon and Nobita to help save their planet from destruction.

Nobita and Doraemon venture to the Heavy Smokers Forest in the Congo, where they find a stray dog and a giant statue. After discovering that they are wanted for trespassing on isolated kingdom land, Nobita and the rest must utilize the power of the mysterious statue to prove their worth.