To this date, this series is the first Gundam series officially translated to Latin American Spanish since Mobile Suit Gundam Wing, albeit GW still remains as the only one with a Spanish dub. Also, it was the first one broadcasted into a mainstream service (Netflix), rather than a niche streaming service like Crunchyroll in the same region.
The Character Died with Him: While it was already known that Syam Vist was fated to pass on peacefully to activate the Magallanica, it coincidentally became this trope when his voice actor Ichirō Nagai passed away mere months before the airing of Episode 7.
Zig-zagged since this is the first Gundam series to air on TV Asahi since After War Gundam X, and mind you TV Asahi was Gundam's original home from 1979 to 1996.
After Bandai Entertainment closed down in 2012, their North American release of Unicorn went out of print. One year later, Nozomi Entertainment negotiated a distribution deal with Sunrise to release Unicorn in its entirety on DVD and Blu-ray.
Whereas the previous English dubs for the Gundam franchise were produced by The Ocean Group in Vancouver and Calgary, this OVA marks the first time a Gundam dub was produced by NYAV Post in Los Angeles and New York City.
The Unicorn was shown in Gundam vs. Gundam Next, joined by the Kshatriya in the home version.
The Sinanju and Delta Plus join the party in Gundam Extreme Vs.
Network to the Rescue: This series was originally supposed to come out in 2009, but Sunrise officials said the authors needed to polish the episodes a bit more, and changed the schedule.
Newbie Boom: The series revived popular interest in the Universal Century timeline after several years out of the spotlight. Despite its later position in the chronology, Unicorn was the entrypoint into the UC continuity for many younger Gundam fans.
No Export for You: Australia is one of the countries not listed as part of the international March 12 release, to the annoyance of some fans. Others hope that Madman Entertainment will be able to get distribution rights somehow, rather than having to Keep Circulating the Tapes.
As of June 2011 Madman have released the first episode... but only on DVD. No word regarding a possible Blu-Ray release.
Of course, the Blu-Rays are region free anyway, which is probably for the best for Western fans given that Amazon US stopped offering them after the first episode and Amazon in other regions never offered them in the first place.
Unicorn marks Bright Noa's first speaking appearance in a major Gundam production since his voice actor Hirotaka Suzuoki's 2006 death, with Ken Narita voicing the character.
Due to the English dub being recorded at NYAV Post instead of The Ocean Group, the characters from the previous Universal Century installments were inevitably recast:
Posthumous Credit: Despite his fatal heart attack, Ichirō Nagai is still credited for voicing Syam Vist in episode 7, since he completed his lines months in advance.
Screwed by the Lawyers: A relatively minor example in the Zeta Plus garrison at Cheyenne Mountain. They get barely any screentime before being effortlessly dispatched by the Tristars Team due to Sunrise not wanting to pay too much in royalties to Model Graphix magazine, which partly owns the rights to Gundam Sentinel.