Mari spends time with Dr. Gilbert while he hypothesizes about the Earth's magnetism. Meanwhile, Waka and her brother search Mr. Hayase's lab for signs of Mari.
So I thought if I baked thinner cakes, 
cut them into circles and layered them,
Pero pensé que si lo cocinaba más fino,
lo cortaba en círculos y ponía en capas,
Então fiz camadas finas,
cortei em círculos e montei elas.