But IBO producers and Sunrise have not yet released any official info about a theater version of the series.
Mobile Suit Gundam Iron-Blooded Orphans ended on it's 50th episode in March 2017. A special program commemorating the final episode called "THE LAST FLAG" was also held on the same day.
The series consisted of 2 season with 25 episodes each. The episodes are available for stream at Daisuki.net and Gundam.info Youtube Channel.