The tragic story of Char Aznable, the ace pilot known as the Red Comet, and his sister Sayla Mass unfolds against the backdrop of the events leading to the One Year War. The Zabi family's rise to power, the birth of the Principality of Zeon, the early days of famous aces such as Ramba Ral and the Black Tri-Stars, the development of the revolutionary new weapon known as the mobile suit, and the road to war against the Earth Federation are all depicted onscreen for the first time.
|#||Episode Title||Japanese Airdate||English Airdate|
|1||Child of Zeon||29 April 2019||6 July 2019|
|2||A Promise with Mother||5 May 2019||13 July 2019|
|3||Édouard and Sayla||12 May 2019||20 July 2019|
|4||Goodbye, Artesia||19 May 2019||27 July 2019|
|5||Char and Garma||26 May 2019||3 August 2019|
|6||Garma Rises||2 June 2019||10 August 2019|
|7||Encounter with Lalah||9 June 2019||17 August 2019|
|8||Independence of Zeon||16 June 2019||24 August 2019|
|9||Colony Removal||23 June 2019||31 August 2019|
|10||The Red Mobile Suit||30 June 2019||7 September 2019|
|11||The Battle of Loum||28 July 2019||14 September 2019|
|12||Char, The Red Comet||4 August 2019||21 September 2019|
|13||The One Year War||11 August 2019||28 September 2019|
The openings were done by Japanese rock band LUNA SEA, considered one of the most successful and influential bands in the visual kei movement. For the endings, the band's guitarist/violinist SUGIZO collaborated with various artists; the band GLIM_SPANKY, KOM_I from Wednesday Campanella, and miwa. Three of the songs are covers of those used in previous Gundam anime; Encounter from Mobile Suit Gundam III: Encounters in Space, Mizu no Hoshi e Ai wo Komete from Mobile Suit Zeta Gundam, and Beyond the Time from Mobile Suit Gundam: Char's Counterattack.
- Sora no Uta ～Higher and Higher～ by LUNA SEA (1-4)
- Hisoubi by LUNA SEA (5-8)
- Beyond the Time by LUNA SEA (9-13)
- Meguriai by SUGIZO feat. GLIM SPANKY (1-4)
- Mizu no Hoshi e Ai wo Komete by SUGIZO feat. KOM_I (5-8)
- A Red Ray by SUGIZO feat. miwa. (9-13)
Episodes began airing in the Monday 00:35 to 01:00 timeslot on NHK General TV on April 29th, 2019 JST. There is a break in the original run after episode 10 with episode 11 airing on Monday July 28th .
Crunchryoll simulcast the series with English subtitles whereas Funimation simulcast the English dub. The English dub also began airing at 3am on Saturdays (effectively Sunday morning) on Adult Swim's Toonami block on Saturday July 6th, 2019 . Episodes will also be on the Gundam Channel every Friday at 21:00 JST from May 15th, 2020 .
- ↑ 機動戦士ガンダム THE ORIGIN 前夜 赤い彗星 | NHKアニメワールド
- ↑ Mobile Suit Gundam: The Origin - Dated. Facebook (June 22, 2019).
- ↑ [機動戦士ガンダム THE ORIGIN 前夜 赤い彗星 『THE ORIGIN 前夜 赤い彗星』ガンダムチャンネルで全話配信決定！5/15スタート！｜作品紹介｜サンライズ]