Doremi Becomes a Mama!?
When Doremi, Hazuki, Aiko, and Onpu travel to the Witch World to visit Majo Rika, they inadvertently walk into the Queen's garden and encounter a baby born from a special rose. They are given their powers back and are asked to take care of the newborn for a year.
Aired 06/02/2000EP 1 - Doremi Becomes a Mama!?

2000
Ojamajo Doremi Sharp
Upon re-entering the witch world the girls accidentally come by a Blue rose field and witness the birth of the future witch queen: Hana-chan. Due to witnessing her birth the girls are then put in charge of baby Hana-chan and must raise her of their "mothers".
But will four ten year old girls be able to raise a baby when they're still children themselves?! Can Pop finally catch up with her older clumsy sister? Will Majorika finally turn back to normal?