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

The “Ginga tetsudô Three-Nine: Kimi wa senshi no yô ni ikirareru 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.