This one, titled Planetarium Chibi Maruko-chan: Enchanted by the Southern Cross, will introduce Maruko to a new friend.
Planetarium Chibi Maruko-chan: Enchanted by the Southern Cross will be shown at Konica Minolta planetariums in Kanagawa, Sunshine City and Tokyo Sky Tree in Tokyo, and Aichi.
The long-running anime, based on the works of Momoko Sakura, is preparing to host its third planetarium feature.