So I watched The Origin V the other day after putting it off seemingly forever, after being reluctant to support Hulu with even a free trial account, but, yeah. It was alright.
I haven't read The Origin manga or any novelizations or anything, but I guess I always just assumed that Operation British and the Battle at Loum were the same event, so I went in expecting a large set-piece battle focused around preventing a giant space colony from hurdling toward the Earth. To say the least, that's not really what I got, and I can't help but be a little disappointed. Other than that, quality wise it's pretty good, but it also feels disingenuous to call it "EPISODE V: CLASH AT LOUM" when, spoilers, it's just... more blue balling the audience. That was honestly a little irritating, and felt like a retread on the ending of Episode IV.
Generally, I love the characters of both Ramba Ral and Dozle Zabi, and I'm a huge proponent of Gundam Dubs, but despite the other Origin dubs being fine-to-excellent, these two characters felt off, like their energy didn't match the animation, or the energy of their characters later in the timeline, though I'm sure some of that could be attributed more to the characterization of these figures in The Origin as opposed to the actual performances themselves.
I also find that what I originally loved about The Origin, namely a big focus on the political machinations of Zeon, has become a little irritating? These little tastes of what will eventually become The White Base crew are so good that I just want to keep watching more of them, but their screentime is sparse. I guess this makes sense, given that Gundam 0079 is all about these characters, but I love seeing the dynamic between the younger characters, like Hayato, Kai, Amuro, and Frau Baw before everything goes to shit.
In order of quality, excitement, intrigue, and overall entertainment, I'd rank the episodes as such:
III > IV = I > V > II