Sore Ike! Anpanman: Anpanman to Santa-san e no Tegami

Synopsis

It is Christmas Eve, and children are excitedly writing down their wishes for Santa. Yet Melonpanna feels lonely, wishing she could spend the holiday with her big sister, Rollpanna. At the same time, Baikinman hatches a scheme to take all the presents for himself. Can Anpanman safeguard the children's letters? And will Melonpanna's heartfelt wish be granted?