Two recap movies were announced for Koutetsujou no Kabanari following the last episode broadcast today. They will premiere in theaters on December 31, 2016 and January 7, 2017, showing for two weeks each. It is unknown if the movies will contain any new footage at this time.
The announcement was made via a "special ending movie" released on noitaminA's YouTube channel (below). Illustrations drawn by original character designer, Haruhiko Mikimoto are shown with a special narration between characters Ikoma and Mumei.