10 Greatest Summer 2025 Anime You Didn't Watch (But Are Now Complete)

As the Summer cools down and a new wave of anime prepares to release this Fall, it’s time to go back and check out all of the Summer 2025 anime that you didn’t watch. Each new season of anime brings so many shows with it that it’s pretty much impossible to watch everything you might be interested in. When combined with all of the other seasonal anime releases we’ll get to see each year, it means that it can be even tougher to check out the latest shows even when you’re interested. But now that the Summer has ended, it means there are complete anime shows that are ready to be checked out.

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This Summer had a ton of major shows that dominated conversations with each new episode, but there are just as many that didn’t get as much attention as the others that fans had been keeping an eye out for. There are many hidden gems that might not have gotten attention for one reason or another this Summer, and now is the best time to go back and check out these ten Summer 2025 anime now that their time in the spotlight has ended.

10.) Rascal Does Not Dream of Santa Claus (Crunchyroll)

The Rascal Does Not Dream franchise is a rather popular one with Aniplex, but you might have missed that the franchise returned for another season. It’s been some time since the original Bunny Girl season first premiered, but the anime has been keeping strong with new OVAs and even a feature film release in the years since. But this new series proves how strong that the franchise has always been as it’s getting right back into the same rhythm fans have loved from the beginning. It might be tough to get into from newcomers since it’s so late in the story, however, but it’s still worth the price of admission.

9.) New Panty & Stocking with Garterbelt (Prime Video)

Among many of the major franchises that fans had been keeping an eye out for over the Summer, one of the most notable was actually New Panty & Stocking with Garterbelt. It’s not only a full on reboot of the classic Studio Trigger anime series, but it actually picks up where that first season left off all those years ago. You might have missed this one because it’s a follow up to a decade old anime, but it’s still managed to make waves of social media with fans thanks to some of the wild content that wasn’t seen anywhere else this Summer. If you’re looking for something truly different from the rest, check out this one.

8.) New Saga (Crunchyroll)

New Saga begins as a traditional dark fantasy type of series that’s become increasingly common, but it has a good twist in that its central hero is sent back years before a massive war with demons killed his family and friends. Now that he’s gotten a new lease on life he’s trying to get humanity ready for the demons to come, and it’s led to some fun twists and turns. But at the same time, it’s a lot funnier than you would think from such a bummer of an initial premise. It may not be the best looking show of the Summer offerings, but it’s definitely worth checking out if you like your action with a dose of cool world building and comedy.

7.) Ruri Rocks (Crunchyroll)

You might have seen Ruri Rocks online thanks to the appeal of one of its central characters, but the real reason to check out this one is that slice of life approach to its central subject. Focusing on how the titular Ruri falls in love with mineralogy, a group of women do their best to do what they love (and maybe learn a bit more about life on the way). On top of that, it’s also just an incredible looking show that puts a lot of attention into its finer details. It can be big things like character movements, but when you see how gorgeously crafted each of its minerals are you’ll likely get hooked.

6.) Turkey! Time to Strike (Crunchyroll)

It’s likely that many fans overlooked Turkey! Time to Strike because it was initially teased as another sports anime where a team of girls tries their best to rise the ranks of their favored sport. But while the first episode did promise a major bowling anime to come, the table was quickly flipped as it turned into a much different kind of anime entirely. It’d be a shame to spoil what it turns into here as that’s part of the big hook to get you watching in the first place, but it’s an entirely unexpected genre that’s only further boosted by sports anime spirit. There’s nothing like it.

5.) City The Animation (Prime Video)

City The Animation is based on Keiichi Arawi’s original manga, and Nichijou fans might immediately recognize that style in action here. That classic series is still held in high regard after all these years thanks to its peak visuals and comedy, and City The Animation takes that all to the next level with modern day production value. You might have seen how some of the anime’s best jokes have taken over social media (like the “cheeseburger” bit), but there’s even more artistry on display within it all. There’s a craft to even the smallest moments, and there’s probably no better looking show of the Summer. Definitely check it out if you can.

4.) The Water Magician (Crunchyroll)

Speaking of great looking, The Water Magician was really a surprise in how well it put it all into motion. Not only is it a return to the slower burning Isekai fantasy shows as its lead takes his time to learn and master his magic, but it’s also building a much wider world around him with each new episode. By the end of this first season there’s an entire demonic threat and a new kingdom filled with elemental mages, and it’s clear that this is really only the beginning of what’s to come in potential future seasons. If you like Isekai anime at all, there’s no better option to watch from the Summer.

3.) The Summer Hikaru Died (Netflix)

There’s probably no better example of a hidden gem than The Summer Hikaru Died. A much quieter, Horror driven series, this anime even adds a dash of tragic romance to further emphasize just how creepy its central premise is. When a boy in a small town finds out that his best friend has been replaced by an otherworldly monster that wants to be his friend too, this Netflix series ends up being one of the most horrific anime releases we’ll get to see this year in general. Horror in anime is just tough to pull off, and this one does it very, very well.

2.) Takopi’s Original Sin (Crunchyroll)

Speaking of best of the Summer, Takopi’s Original Sin is very much in danger of being forgotten when it comes to best of the year conversations let alone best of the Summer. This miniseries only has six episodes (and making it the best one to watch straight through), but they are six of the hardest hitting episodes you’ll watch all year. Not only is it just impeccably crafted in terms of how this production has been brought to life, but it’s swirling with some very heavy emotions that you’ll be sitting with for some time after. It’s not at the top of this list because it can be a very tough watch, but you owe it to yourself to try it out.

1.) Clevatess (Crunchyroll)

But out of all of the anime we got to see over the Summer, the biggest surprise had to have been Clevatess. This one came out of nowhere to deliver not only one of the best looking shows of the Summer, but one of the most intriguing as well. Set in a world dominated by four powerful demonic beasts, humans have been fighting for centuries for the chance of taking them down. When a group of heroes is instantly slaughtered, one surviving hero, Alicia, ends up in a much different kind of situation than she ever expected. Magic swords, powerful monsters, and a much wider world that’s only opening up from here.

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