Takeru is stuck in bed sick, and the sheep Eto-shin, Mei-tan, determines that what he has is no ordinary cold. With all the Eto-shin going wild as Takeru's Sol/Lull rages out of control, Nya-tan and Mei-tan decide to battle the unknown virus.
Nya-tan, I've got it!
نيا-تان، لقد عرفت
Nya-tan, ich hab’s raus!
¡Nya-tan, ya lo descubrí!
¡Nya-tan, ya lo descubrí!
Miaou ! J’ai trouvé !
Nya-tan, ho capito!
Nya-tan, eu descobri a cura!