Doremi, Hazuki, Aiko, and Onpu witness a baby being born from a flower in Witch Land. Rules of Witch Land state that the one who witnesses a birth has to take care of the baby for one year, so Doremi, Hazuki, Aiko, and Onpu are up for the task!

Doremi's witch trainee group has to take a pastry test for one year to satisfy 6 witches. Since Doremi, Hauki, Aiko, and Onpu have no idea of how to make any pastries, the queen of Witch Land introduces them to Momoko, who has experience in pastry making in the United States. They welcome Momoko, and begin their year-long test!

In the last season of "Magical Doremi", Hana, who had been raised by Doremi in the second season, comes back as her classmate! Now, there is no telling what will happen to their school life…

Unknown secret stories of DO RE MI are exhibited for the first time!