If you loved Babylon 5: A Call to Arms, try Babylon 5: The Legend of the Rangers - To Live and Die in Starlight
A bridge between a film you've already seen and one most people haven't. Here's what they share, and what the second one does that the first one doesn't.
You already loved

Babylon 5: A Call to Arms
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Babylon 5: The Legend of the Rangers - To Live and Die in Starlight
What they share
Both films are directed by Michael Vejar, and they sit in Action / Adventure / Science Fiction territory. If that's the register that drew you to Babylon 5: A Call to Arms, the second film will land in a comparable space — through a different lens.
What Babylon 5: The Legend of the Rangers - To Live and Die in Starlight is
You command a haunted Minbari ship escorting ambassadors to a secret archaeological site, but ancient secrets threaten the mission. The director balances action and science fiction.