Basically a compressed mashup of the original 26-episode anime with an alternate ending, and not a good one at that.You see, the original anime series has 26 episodes, each of which are 23 minutes long, which adds up to 598 minutes. All of that got compressed down into a 90-minutes anime film. This is roughly 664% reduction, and it shows - with so much content being cut, the overall story feels incoherent, character development that was well-shown in the original suddenly feels very sudden and abrupt. Memorable characters were removed in the process too.I'm giving it a generous 4/10, because the animation, sound, voice acting, etc. are still good, and even as a standalone anime-film, it's not unwatchable per se, but it truly pales in comparison to the original anime series, to which I also meted out its fair share of criticism (I reviewed that one too).I didn't like the original anime's pacing after Episode 12, believe that it went really went downhill after Episode 20 and I believe that its ending was a real letdown... but the film basically took all of those questionable stuff that I just criticised, and replaced them with absolutely nothing, which is even worse.The first hour is of the film was made up of the first 12 episodes of the show (the parts from before our heroes visited Second Earth), albeit heavily cut, which makes it feel incoherent. The last 30 minutes - the parts after the heroes got to Second Earth - were changed, completely different from the original anime. The whole subplot about the Council Members being evil, or there being a schism against them, are gone. The whole subplot about the B-cells? Gone. Marlene and Yuji living happily ever after in a primitive village? Gone. Instead, we get the aftermath of a battle, which our heroes just barely survive, with the Blue retreating. It's literally a cliffhanger, and not a good one at that.All in all, I would NOT recommend this. Watch the series instead. If you've watched the series, I guess you can watch this if you're curious, but it's really not worth your time. None the less, I'm giving it an extremely generous 4/10, because I recognise some of its objective artistic merits, even if it's not really worth to watch.