An original video animation adaptation of the manga, focusing on the stories of Casval Rem Deikun (more famously known as Char Aznable) and his sister Artesia (aka Sayla Mass), produced by Sunrise was released between 2015 and 2018 in six parts.

It is the year Universal Century 0079, and the eighth month of a vicious war between the Earth Federation and a breakaway nation of space colonists, the Principality of Zeon.

Where it's implied that the White Base's journey to Jaburo in the series was pretty much a circumnavigation of the globe unconnected to many real-world locations, Yasuhiko's journey places the White Base's landfall near Los Angeles, the headquarters of Garma Zabi (in the series, Garma was based out of a generic "New York" — Origin in fact states the Zeon occupation HQ as Los Angeles City Hall, with Garma residing in Hollywood/Beverly Hills) and moves the craft steadily to the southeast, and down the South American coast—past Caracas, Venezuela and through Machu Picchu and into Brazil, where Jaburo, the headquarters of the Earth Federation, is located.

This retelling cuts out some of the more trivial encounters seen in the original series, while keeping and expanding on important characters like Garma, Ramba Ral, and the Black Tri-Stars.

After the successful defense of Jaburo, the story diverts into a very in-depth flashback, told primarily from the viewpoints of Sayla and Char (with a secondary thread being told from Amuro's POV) recounting the downfall of Zeon Zum Deikun, the rise of the Zabi family, the construction of Side 7 and the research into mobile suits, and leading up through a decade until the launching of the One Year War.

It also goes into detail answering many previously unanswered questions such as the appearance of heretofore unseen Zeon mobile suits prior to the MS-05 Zaku I, how Dozle Zabi received his trademark scars and even the origin of Casval Deikun/Edward Mass' "Char Aznable" identity.

The story shifted back on track to the original anime's storyline, featuring the White Base's involvement in the Federation's Operation Odessa, as well as including Kai Shiden's encounter with Miharu.

Afterwards, the manga deals with the end of the Odessa campaign and, in another departure from the series, takes M'Quve and his Gyan out of the picture before he has a chance to confront the Gundam.

Viz Comics attempted to translate the series and publish it in America in a quarterly, perfect-bound magazine-sized format, although low sales very quickly ended the American run.

[28] In March 2014, it was announced it will be a four-episode OVA series with event screenings at Japanese theaters, in celebration of the 35th anniversary of Gundam, and centering on the stories of Casval Deikun and his sister Artesia.

[37] The English dub for the Advent of the Red Comet TV recompilation series was broadcast in the United States on Adult Swim's Toonami programming block from July 7 to October 6, 2019.