Mobile Suit Gundam Thunderbolt: December Sky Mobile Suit Gundam Thunderbolt: December Sky
is a 2016 compilation film that adapts the first season of the Gundam Thunderbolt Original Net Animation (ONA) series. It offers a visceral, adult-oriented reimagining of the Universal Century’s One Year War, focusing on a brutal stalemate within the debris-filled "Thunderbolt Sector". Plot & Setting
Set during the final days of the One Year War (U.C. 0079), the story takes place in the shoal zone of former Colony Side 4. This "Thunderbolt Sector" is a graveyard of destroyed colonies where constant electrical discharges create a lethal, lightning-filled battlefield. The conflict pits two elite units against each other:
The Moore Brotherhood (Earth Federation): Survivors of the destroyed Side 4 cluster seeking to reclaim their home.
The Living Dead Division (Principality of Zeon): A unit composed primarily of amputee soldiers tasked with gathering combat data through extreme sniper tactics. The Duel of Aces
The narrative is driven by the personal rivalry between two skilled pilots who represent the psychological extremes of war:
Io Fleming (EFF): An arrogant, jazz-loving ace who views combat as a high-stakes performance. He pilots the high-output Full Armor Gundam, a machine built for raw power and speed.
Daryl Lorenz (Zeon): A quiet, pop-music-loving sniper who has already lost his legs in battle. To counter the Federation's new Gundam, Daryl undergoes further voluntary amputation to directly interface with the Psycho Zaku, a prototype that treats the pilot's body as a literal component of the machine. Thematic Depth & Production Mobile Suit Gundam Thunderbolt DECEMBER SKY
Mobile Suit Gundam Thunderbolt: December Sky is a 2016 animated compilation film from Sunrise that adapts the first season of the ONA series, focusing on a brutal conflict in the Thunderbolt Sector during the One Year War [1, 9]. The film follows the personal rivalry between Federation pilot Io Fleming and Zeon sniper Daryl Lorenz, highlighting the traumatic effects of war [7, 12, 16]. This 70-minute film, which includes added scenes from the manga, is known for its distinctive jazz soundtrack [24].
Echoes of the Thunderbolt Sector: A Reflection on "December Sky"
Mobile Suit Gundam Thunderbolt: December Sky is far more than just a compiled version of an ONA series; it is a visceral, jazz-infused descent into the "hell of war". Set during the twilight of the Universal Century’s One Year War, the film strips away the romanticism often found in mecha anime, replacing it with a gritty, violent perspective on the cost of conflict. The Duality of Protagonists
At the heart of December Sky is a relentless rivalry between two pilots, neither of whom fits the mold of a traditional "hero".
Io Fleming (Earth Federation): A cocky, jazz-loving ace who treats the battlefield like his own personal stage. Piloting the heavily armored Full Armor Gundam, he represents the brutal efficiency of the Federation’s military machine.
Daryl Lorenz (Principality of Zeon): A sniper within the "Living Dead Division," a unit composed of amputee soldiers. To combat the Gundam threat, Daryl undergoes further physical sacrifice, losing his remaining limbs to interface directly with the Reuse "P" Device in his Zaku II. mobile suit gundam thunderbolt december sky
The film excels by giving both characters understandable motivations, making viewers care about both sides of the conflict. It highlights that in war, loss is universal, and the "winning" side often pays an unbearable price. Aesthetic and Narrative Impact
Visually, December Sky is regarded as a masterpiece of modern animation. The space battles in the debris-filled Thunderbolt Sector are a captivating spectacle of lightning and destruction. This is matched by a distinct auditory identity—the clashing soundtracks of Io’s aggressive free jazz and Daryl’s melancholic pop ballads serve as an extension of their psychological states.
Mobile Suit Gundam Thunderbolt: December Sky (2016) is a gritty, adult-oriented compilation film adapting the Thunderbolt ONA's first season, set during the Universal Century's One Year War. It focuses on the intense rivalry between Federation pilot Io Fleming and Zeon pilot Daryl Lorenz within the hazardous Thunderbolt Sector, featuring new footage and high-quality animation. For more details, visit en.gundam-official.com. Mobile Suit Gundam Thunderbolt DECEMBER SKY
The genius of Mobile Suit Gundam Thunderbolt: December Sky lies in its protagonist/antagonist dynamic. Neither man is a hero. Both are broken, and both use war to fill a void.
For the uninitiated, Mobile Suit Gundam Thunderbolt: December Sky is a compilation movie that re-edits the first four episodes of the Gundam Thunderbolt ONA (Original Net Animation) series. However, calling it a mere "recap" is an insult. Unlike traditional compilation films that butcher pacing for runtime, December Sky feels like the definitive version of the story. It tightens the narrative focus, amplifies the soundtrack, and delivers a theatrical punch that the episodic format couldn't quite achieve.
The story is set in Universal Century 0079, during the final months of the devastating One Year War (the same timeline as the original 1979 Mobile Suit Gundam). But instead of following the White Base or the crew of the Gundam, we are thrown into the "Thunderbolt Sector"—a treacherous shoal zone of space littered with the wreckage of destroyed colonies.
Here, the Earth Federation forces are locked in a grueling chess match of sniping and ambushes against the Principality of Zeon’s elite Daryl Lorenz and his Living Dead Division.
December Sky is not "fun." It is visceral. There is a scene where a pilot, trapped in a sinking mobile suit, records a final will on a broken audio recorder while the oxygen runs out. That is the movie's tone for 70 straight minutes.
Skip it if: You want hopeful heroes, clear good vs. evil, or a happy ending.
Watch it if: You want to understand why Gundam has survived for 40 years. Because it’s not about the robots. It’s about the broken humans inside them.
Where to watch: December Sky is available on streaming via Amazon Prime Video (with a subscription to the Nozomi Entertainment channel) or for digital rental on Apple TV/YouTube Movies.
Pro tip: Do not confuse this with the sequel film, Bandit Flower. Watch December Sky first. Then stop. Let it sink in. Then watch Bandit Flower a week later when you’ve recovered.
Mobile Suit Gundam Thunderbolt: December Sky (2016) is a high-octane theatrical compilation of the first four episodes of the Thunderbolt ONA series. Set in an alternate timeline during the One Year War (U.C. 0079), it is celebrated for its gritty realism, stunning hand-drawn mechanical animation, and a unique free-jazz soundtrack. Core Conflict & Setting Mobile Suit Gundam Thunderbolt: December Sky Mobile Suit
The story unfolds in the Thunderbolt Sector, a "shoal zone" filled with the wreckage of destroyed space colonies from Side 4 (Moore). Constant lightning strikes from electrified debris make it a navigational nightmare and a strategic graveyard.
The Moore Brotherhood (Federation): A unit of survivors from the destroyed Moore colony, fighting to reclaim their homeland.
The Living Dead Division (Zeon): A sniper unit composed primarily of amputee soldiers used to gather combat data through experimental prosthetics. Main Characters & Mobile Suits
The feature centers on a psychological and physical duel between two ace pilots who are "destined to kill each other". Mobile Suit Gundam Thunderbolt DECEMBER SKY
Mobile Suit Gundam Thunderbolt: December Sky - A Gripping Conclusion to the Thunderbolt Series
The Mobile Suit Gundam Thunderbolt series has been a thrilling ride, filled with intense action sequences, dramatic plot twists, and stunning visuals. The latest installment, Mobile Suit Gundam Thunderbolt: December Sky, brings the series to a close with a bang. In this article, we'll dive into the details of this final chapter and explore what makes it a must-watch for fans of the franchise.
The Story So Far
For those who may be new to the series, Mobile Suit Gundam Thunderbolt takes place in the Universal Century, an era of humanity's colonization of space. The story follows two main characters: Io Flacht, a former pilot of the Principality of Zeon's mobile suit squadron, and Elaine Marley, a skilled mechanic and engineer. The series explores their complicated past and their involvement in the ongoing conflict between the Earth Federation and Zeon.
December Sky: The Final Chapter
The final installment, Mobile Suit Gundam Thunderbolt: December Sky, picks up where the previous episode left off. Io and Elaine find themselves on a mission to infiltrate a heavily guarded Earth Federation base, with the goal of stealing a top-secret mobile suit. As they navigate through the base, they encounter a range of formidable opponents, from skilled pilots to advanced mobile suits.
The action sequences in December Sky are some of the most intense in the series, with beautifully animated mobile suit battles that will leave you on the edge of your seat. The film's climax features an epic showdown between Io's ally, the RX-78-2 Gundam, and a powerful Zeon mobile suit.
Themes and Character Development
One of the standout aspects of the Mobile Suit Gundam Thunderbolt series is its character development. Io and Elaine's complex relationship is explored in depth, revealing a rich backstory that adds depth to the story. The supporting cast is equally well-developed, with each character bringing their own unique personality and motivations to the table. Where to watch: December Sky is available on
The themes of war, loss, and redemption are woven throughout the series, and December Sky brings these threads to a satisfying conclusion. The film's exploration of the human cost of conflict is both thought-provoking and emotionally resonant.
Production and Music
The production values in Mobile Suit Gundam Thunderbolt: December Sky are top-notch, with stunning visuals and a sweeping soundtrack that perfectly complements the on-screen action. The film's score, composed by Hiroyuki Sawano, is a masterclass in atmosphere and tension, elevating the viewing experience to new heights.
Conclusion
Mobile Suit Gundam Thunderbolt: December Sky is a thrilling conclusion to the Thunderbolt series, delivering on the promise of high-stakes action, emotional character development, and thought-provoking themes. Fans of the franchise will be on the edge of their seats as Io and Elaine navigate their way through the treacherous world of mobile suit warfare.
Whether you're a longtime Gundam fan or just jumping into the series, December Sky is a must-watch. With its gripping storyline, stunning visuals, and memorable characters, this final installment is sure to leave a lasting impression.
Rating: 5/5
Recommendation: If you're a fan of the Gundam franchise or mecha anime in general, Mobile Suit Gundam Thunderbolt: December Sky is an absolute must-watch. Even if you're new to the series, the film's engaging storyline and well-developed characters make it easy to jump in and enjoy.
The film follows the parallel stories of two ace pilots:
The plot centers on the Federation's attempt to break through the Zeon blockade to recapture a space fortress, culminating in a cat-and-mouse duel between Io and Daryl amidst the debris of a destroyed space colony.
December Sky does something rare in action animation: it treats war injuries as permanent and graphic. Daryl Lorenz is a hero. He is also a quadruple amputee. The film does not shy away from the medical horrors—the phantom limb pain, the sterile hospital lights, the realization that Zeon has no use for a soldier who can’t walk.
Conversely, Io Fleming is a rich-kid slumming it in the war. He’s reckless, cruel, and fights because he loves the kill. Neither is a hero. Both are monsters created by the battlefield.