As of July 2026, Mobile Suit Gundam: Iron-Blooded Orphans Season 1 aired in 2015 with 50 episodes — streaming now on Crunchyroll. Full episode guide and where to watch below.
Mobile Suit Gundam: Iron-Blooded Orphans Season 1 poster
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Mobile Suit Gundam: Iron-Blooded Orphans Season 1

2015 50 Episodes Animation · War & Politics ⭐ 8/10

Mobile Suit Gundam: Iron-Blooded Orphans Season 1 has built a real following on and among viewers who want their sci-fi to think as hard as it looks. Across 1 season, the show has had time to find its rhythm and keep it. An 8/10 rating says what the writing already makes obvious: this one works. Watch it for Kengo Kawanishi — the performance elevates material that could easily tip into self-seriousness. There is no real reason to keep putting it off.

Part of the current wave of titles people are actually watching, Mobile Suit Gundam: Iron-Blooded Orphans Season 1 earns its spot. The world-building is meticulous, but it is the characters who carry Mobile Suit Gundam: Iron-Blooded Orphans Season 1 through its more ambitious moments. There was once a great conflict known as the "Calamity War." Roughly 300 years have passed since the end of this war. The Earth Sphere had lost its previous governing structure, and a new world was created under new systems of government. While a temporary peace had arrived, the seeds of a new conflict were being sown in the Mars Sphere, far away from Earth. Kengo Kawanishi and Yoshimasa Hosoya lead a cast that brings real weight to the material. It was aired in 2015. The world-building is meticulous enough to sustain multiple rewatches, with details early on that only make sense later. It rarely drops the ball, and when it does, it recovers fast.

For late-night viewing or a proper weekend binge, Mobile Suit Gundam: Iron-Blooded Orphans Season 1 fits the bill. It has built its own audience without needing a direct comparison. A contained run means every episode is doing real work. Kengo Kawanishi's performance is the anchor the more ambitious moments need. The world-building pays off in ways you will not anticipate on a first watch.

📡 Where to Watch Mobile Suit Gundam: Iron-Blooded Orphans Season 1

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🎬 Mobile Suit Gundam: Iron-Blooded Orphans Season 1 — Episode Guide

E1
Iron and Blood...
2015-10-04
In the midst of ongoing protests by citizens of the Martian colony Chryse demanding independence from the Earth government, the Chryse Guard Security is assigned to protect Princess Kudelia Aina Bernstein on her diplomatic mission. When the CGS headquarters is suddenly attacked by Gjallarhorn forces...
E2
Barbatos
2015-10-11
The adults of CGS flee in the face of Gjallarhorn's attack, using Mikazuki and the other children as decoys. Gathering the children who have been left behind, Orga decides to fight back against Gjallarhorn, and puts a certain plan into motion.
E3
Glorious Demise
2015-10-18
Thanks to Mikazuki and the Gundam Barbatos, Orga's group has temporarily repulsed Gjallarhorn, though not without many sacrifices. As they are discussing their next move, one of Gjallarhorn's Graze mobile suits again appears at the CGS base.
E4
The Price of Life
2015-10-25
Kudelia is distressed that so many boys have lost their lives because of her. Mikazuki takes her to the farm run by Biscuit's grandmother, where an unexpected encounter awaits.
E5
Beyond the Red Sky
2015-11-01
Kudelia and Tekkadan finally leave Mars behind them and head for Earth. With a ship waiting for them, they attempt to travel by shuttle to a low-orbital station, but are attacked by Coral's Gjallarhorn forces.
E6
As For Them
2015-11-08
The members of Tekkadan need a guide in order to reach Earth despite Gjallarhorn's surveillance. To gain a powerful backer, they attempt to negotiate with Teiwaz, which is based in the Jupiter Sphere.
E7
Whaling
2015-11-15
Tekkadan has made contact with Turbines, which runs Teiwaz's transport division. But they find themselves clashing with Turbines over their group's origins and property.
E8
The Form of Closeness
2015-11-22
Having demonstrated Tekkadan's strength and legitimacy to Naze, the leader of Turbines, Orga and the others renew their negotiations with Teiwaz. Meanwhile Atra visits Turbines's warship, bringing the frustrated Kudelia with her.
E9
Sakazuki
2015-11-29
Accompanied by Naze, Tekkadan visits the Saisei, the stronghold of Teiwaz, in order to meet with Teiwaz's representative McMurdo Barriston. Here, Orga receives a surprising proposal from Naze.
E10
A Letter From Tomorrow
2015-12-06
Tekkadan and Turbines go on ahead to Earth, leaving Mikazuki and Yukinojo on the Saisei to complete final adjustments to the Barbatos. But the events aboard the Saisei have greatly affected their respective states of mind.
E11
Human Debris
2015-12-13
While on patrol, Akihiro and Takaki encounter unknown enemies and engage them in battle. The attackers turn out to be Brewers, a pirate group that operates between Mars and Earth.
E12
The Shoals
2015-12-20
Mikazuki and Orga learn that Akihiro's long-lost younger brother is one of the Brewers mobile suit pilots. Tekkadan challenges Brewers in order to get back Akihiro's brother.
E13
Funeral Rites
2015-12-27
The battle with Brewers has cost many lives on both sides. The survivors hold a funeral service to pray for the rebirth of their fallen comrades.
E14
Vessel of Hope
2016-01-10
After overcoming many difficulties, Tekkadan is finally about to reach Earth. Its members head for the Dort colony cluster, to deliver an item that Teiwaz asked them to transport when they were aboard the Saisei.
E15
Trail of Footprints
2016-01-17
Just as on Mars, the colonies suffer great disparities with Earth, and a protest movement has begun among the increasingly dissatisfied workers. As it gradually intensifies, Tekkadan is caught up in various schemes.
E16
Fumitan Admoss
2016-01-24
The colony workers have launched a protest movement against the company that employs them. As they grow more radical, the situation finally develops to the point of a Gjallarhorn intervention. Before she knows it, Kudelia has been drawn into the heart of the uprising.
E17
Kudelia's Decision
2016-01-31
Kudelia and Tekkadan witness Gjallarhorn's brutal suppression of the workers. Seeing the true situation of the colonies, Kudelia makes a fateful decision.
E18
Voice
2016-02-07
Tekkadan's members attempt to leave the colonies behind and descend to Earth at last, but they miss their chance due to one last item of business in the colonies. They are contacted by someone who claims to be their supporter.
E19
The Gravity of Wishes
2016-02-14
Following a resupply by the Montag Company, Tekkadan prepare their descent to Earth, with a Gjallarhorn fleet standing in their way.
E20
Brother
2016-02-21
Tekkadan has finally made it to Earth, successfully introducing Kudelia to Arbrau's representative, Togonosuke Makanai. However, they will have to accompany Makanai to a parliamentary general session taking place in Edmonton.

🎭 Cast of Mobile Suit Gundam: Iron-Blooded Orphans Season 1

Kengo Kawanishi
Kengo Kawanishi
Mikazuki Augus (voice)
Yoshimasa Hosoya
Yoshimasa Hosoya
Orga Itsuka (voice)
Yuka Terasaki
Yuka Terasaki
Kudelia Aina Bernstein (voice)
Hisako Kanemoto
Hisako Kanemoto
Atra Mixta (voice)
Yuuichirou Umehara
Yuuichirou Umehara
Eugene Seven Stark (voice)
Kohei Amasaki
Kohei Amasaki
Takaki Uno (voice)
Taishi Murata
Taishi Murata
Norba Sino (voice)

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