Mobile Suit Gundam — Thunderbolt December Sky Free Extra Quality

Mobile Suit Gundam Thunderbolt: December Sky is a feature-length compilation of the first four episodes of the Mobile Suit Gundam Thunderbolt ONA (Original Net Animation). Set during the One Year War in U.C. 0079, it tells a gritty, adult-oriented story of two ace pilots—Io Fleming and Daryl Lorenz—trapped in a brutal cycle of personal vengeance within the debris-filled "Thunderbolt Sector". Where to Watch for Free

Finding a legal "free" stream for December Sky often depends on limited-time promotions, as it is not permanently available for free on major platforms. Best place (preferably free) to watch Gundam Thunderbolt?

2. Free Trials on Premium Streaming Services

December Sky is permanently available on several paid platforms, but you can use free trials to watch it.

• Tubi (Free with Ads): In North America, Tubi occasionally features the Gundam Thunderbolt catalog. Tubi is completely legal and free, supported by commercials. This is your most reliable long-term free option.
• Pluto TV: Another free ad-supported service. Search their "Anime" on-demand section.
• Crunchyroll (7-day Free Trial): Crunchyroll holds the current master license for most Gundam content. You can sign up for a 7-day free trial, watch December Sky, and then cancel before being charged.
• Funimation (Legacy): If you have an old account, the library merged with Crunchyroll. New users should use Crunchyroll.
• Amazon Prime Video (30-day Free Trial): December Sky is available for rent/purchase, but if you use a free trial of Amazon Prime, you can rent it for a reduced price (as low as $2.99) or sometimes find it included with a free trial of the "Anime Strike" or "Crunchyroll" channel add-on.

Should You Watch December Sky?

Yes if you like:

• Dark war dramas (Grave of the Fireflies meets Band of Brothers with giant robots).
• Jazz-infused action sequences.
• A complete, tight story (70 minutes – no filler).

No if you need:

• Hopeful endings or clear heroes.
• Fast-paced plot (the film lingers on mechanical detail and atmosphere).

The Short Answer on "Free" Streaming

As of 2026, December Sky is not permanently free on major ad-supported platforms like YouTube or Tubi (though availability changes). However, you have two excellent legal options:

1. Subscription Streaming: It is available on Netflix in many regions (search for "Gundam Thunderbolt"). Also check Crunchyroll or Funimation (now merged under Crunchyroll).
2. Free (with library card): Check Hoopla Digital or Kanopy. Many public libraries offer these services for free, and December Sky is often in their anime collections.

Why avoid shady "free" sites? Aside from legality, they often have terrible video quality (this movie is visually stunning), broken subtitles, pop-up malware, and missing the incredible jazz soundtrack. mobile suit gundam thunderbolt december sky free

What Is December Sky?

December Sky is a compilation film (2016) of the first four episodes of Mobile Suit Gundam Thunderbolt. But don’t let "compilation" fool you—it’s edited into a tight, brutal, 70-minute war movie.

Setting: Universal Century 0079 (the same timeline as the original Gundam). One year into the One Year War. The "Thunderbolt Sector" is a debris field of destroyed colonies.

The Conflict: Federation forces (including amputee sniper Io Fleming) vs. Zeon remnants (including prosthetic-using ace Daryl Lorenz). Both sides are desperate, broken, and piloting experimental mobile suits. Mobile Suit Gundam Thunderbolt: December Sky is a

1. The Official Gundam YouTube Channel (The Best Free Option)

As of the last few years, the official GUNDAM.INFO YouTube channel has rotated December Sky in and out of its "Free Streaming" schedule. Bandai Namco often releases Gundam movies and series for limited windows (usually 2-4 weeks) with English subtitles and sometimes English dubs.

• How to check: Search YouTube for "GUNDAM.INFO December Sky." If it isn’t currently available, it often returns during major Gundam campaigns (like the Gundam Metaverse project or anniversary events).
• Cost: $0 (ads are usually minimal, often just a trailer at the start).

Overview: What is December Sky?

Mobile Suit Gundam Thunderbolt: December Sky is a 2016 ONA (Original Net Animation) compiled into a feature-length film. It serves as the first arc of the Gundam Thunderbolt series.

• Timeline: It is set during the One Year War (Universal Century 0079), concurrently with the events of the original 1979 Mobile Suit Gundam.
• Tone: Unlike many mainstream Gundam series, Thunderbolt is mature, gritty, and violent. It focuses on the psychological trauma of soldiers and features a unique "Jazz and Soul" soundtrack that contrasts with the brutal mech combat.
• The Story: The plot follows two pilots on opposite sides of the war:
  • Io Fleming: A jazz-loving Federation pilot who fights to feel alive.
  • Daryl Lorenz: A Zeon sniper who has lost his limbs and relies on prosthetics, fighting for his comrades.
  • They clash in the "Thunderbolt Sector," a shoal zone filled with debris and unexploded ordinance.

Part 2: The Quest for "Free" – Legal vs. Illegal Streaming

When users type "Mobile Suit Gundam Thunderbolt December Sky free" into Google, they are usually hoping to find a YouTube upload or a torrent. However, the Gundam franchise is notoriously aggressive with copyright takedowns. While you can find pirated versions, they are often low-resolution, missing subtitles, or riddled with malware. Tubi (Free with Ads): In North America, Tubi

More importantly, Gundam Thunderbolt is an audio-visual masterpiece. Watching a compressed, pirated copy ruins the dynamic range of the jazz score and the intricate detail of the mecha animation. You want to experience this film in HD, legally, and preferably for free.

The Dark Maturity

This is not a show for children. December Sky includes graphic amputations, psychological breakdowns, and morally grey decisions. Daryl Lorenz’s arc—losing his limbs to continue fighting—is a brutal commentary on how war consumes the disabled. The film ends not with a hero’s victory, but with a hollow stalemate.