After bringing a fossilized egg back to life with the Time Cloth, Nobita finds himself the owner of a baby dinosaur. Everything is fine until it grows up. Nobita and friends use Doraemon's time machine to return it back to its own time.
Mother's lucky day takes a strange turn when a lightning strike leaves her with telekinetic powers. She finds more and more ways to use her new ability, but soon things get a little out of control.
Nana Suzuki winds up being split into seven copies of herself. Besides the original Nana, there's also a smart Nana, a happy Nana, an angry Nana, a sensitive Nana, a sad Nana, and a slow Nana.
