Sore Ike! Anpanman: Tetsu no Hoshi no Iron Christmas
Japanese title: それいけ！アンパンマン てつの星のアイアンクリスマス
Type: TV Special
Source: Picture book
Episodes: 1
Status: Finished Airing
Aired: Dec 24, 2021
Duration: 24 min
Rating: PG - Children
Studios: TMS Entertainment
Genres: Comedy, Fantasy
Themes: Anthropomorphic, Super Power
Demographics: Kids

Today is the long-awaited Christmas Eve! An Iron Christmas party is being held on Iron Planet. Kokin-chan is having a blast since it's her first time on Iron Planet. She makes friends with Kotetsu-chan and they play together at the Iron amusement park. But then the Iron's precious Christmas tree gets transformed into Baikinman's robot! Everyone is turned into a tree, and they're in big trouble. They all have to protect their precious Christmas before Santa arrives!

(Source: Amazon, translated)