What order to watch “Ginga tetsudô Three-Nine: Kimi wa haha no yô ni aiseru ka!!” in

The “Ginga tetsudô Three-Nine: Kimi wa haha no yô ni aiseru ka!!” franchise has 11 seasons, 11 movies and 7 OVAs/specials. Below is the recommended watch order by release date — the story unfolds in sequence, without spoilers.