10 Popular Anime That Didn’t Even Deserve a Second Season

While there are anime shows that left fans craving more, there are several other anime that have shown through their poor sequels that having one is not necessarily a good thing. While a great first season might create high hopes and expectations for anime fans, a weak sequel might bring the whole series to its knees.

So in this article, we will be listing 10 such anime. These anime all began with high hopes and great promise; unfortunately, the following seasons did not live up to them.

1 Rent-a-Girlfriend Kept Going in Circles

The first season of Rent-a-Girlfriend worked because the fake relationship between Kazuya and Chizuru created plenty of funny, awkward, and surprisingly emotional moments. It looked like the series was slowly building toward real character growth and an honest romance.

Instead, every important step forward is usually followed by several steps back. Even after emotional moments in the Movie arc and Paradise arc, the relationship continues to return to the same misunderstandings, hesitation, and love triangle drama. The biggest criticism isn’t that nothing happens – it’s that meaningful progress rarely lasts. After multiple seasons, the story still feels stuck in the same place, making every sequel feel less necessary than the one before it.

2 Tokyo Ghoul Lost What Made It Special

The first season of Tokyo Ghoul balanced horror, action, and tragedy. Kaneki’s transformation from an ordinary college student into a half-ghoul reached its emotional peak during Jason’s torture, creating one of the franchise’s most iconic moments.

Everything changed with Tokyo Ghoul √A. Instead of closely following Sui Ishida’s manga, the anime created an original storyline that changed major events, including Kaneki’s role within Aogiri Tree. Later, Tokyo Ghoul:re tried to return to the manga but rushed nearly 180 chapters into just 24 episodes. Major fights, character development, and emotional moments were squeezed so tightly that the story never had room to breathe.

3 TBATE Never Fixed Its Biggest Anime Problems

There was plenty of excitement before The Beginning After the End premiered because TurtleMe’s web novel and webcomic already had a huge fanbase. Arthur Leywin’s early life, his training, and the setup for the Xyrus Academy storyline gave the anime plenty of strong source material to work with.

Unfortunately, the adaptation struggled almost immediately. Fans criticized Studio A-CAT for stiff animation, weak fight choreography, and inconsistent visuals that failed to match the emotional moments from the webcomic. Instead of improving as the story progressed, those problems continued to hold the anime back, making another season feel difficult to justify before the production quality itself improves.

4 The Promised Neverland Should’ve Ended Early

Few anime have delivered a first season as tense as The Promised Neverland. The Grace Field House arc was a masterclass in suspense, with Emma, Norman, and Ray constantly trying to outsmart Isabella without exposing their escape plan. Every episode raised the stakes while keeping viewers guessing.

Season 2 threw much of that success away. It skipped some of the manga’s biggest arcs, including Goldy Pond, removed several important characters, and rushed years of story into just a handful of episodes. The final episode even used a slideshow montage to cover major events instead of properly adapting them, making it one of the most criticized manga adaptations in recent years.

5 Shield Hero Lost What Made It Stand Out

Season 1 worked because Naofumi wasn’t a typical isekai hero. After being falsely accused by Princess Malty, he had to survive with almost nobody willing to trust him. Watching him slowly rebuild his reputation alongside Raphtalia was the emotional heart of the series.

Once that storyline reached its conclusion, the anime became far more generic. The Spirit Tortoise arc dragged on for much of Season 2 without delivering the same emotional payoff, and later conflicts focused more on saving the world than on Naofumi’s personal journey. Bigger enemies replaced the character-driven storytelling that had made the first season stand out.

6 Sword Art Online Never Hit the Same High Again

SAO is still one of the most memorable stories in the world of anime when it comes to the topic of survival. Every floor that was cleared was felt as genuine advancement, and Kirito’s fight against Heathcliff provided an exciting finish line for the first main story arc. Even those people who did not watch any anime before were attracted by the simple idea of a death game.

Once the world of Aincrad was left, Sword Art Online continued to present various virtual realities, but something was definitely lost along the way. The story of Fairy Dance got numerous negative comments about its less challenging enemy and rescue arc, while Gun Gale Online and even the best story of Alicization could not bring back the same tension of survival.

7 The Devil Is a Part-Timer! Came Back Too Late

When the first season aired in 2013, the idea of the Demon Lord working at MgRonald’s instead of conquering the world felt fresh. The mix of workplace comedy, fantasy, and slice-of-life humor helped the anime become an instant fan favorite despite adapting only a small part of the light novel.

The sequel arrived almost nine years later, and it simply couldn’t recreate the same excitement. A studio change from White Fox to Studio 3Hz also brought noticeably different character designs and animation. Rather than feeling like a long-awaited comeback, Season 2 reminded many fans why the original had worked so well on its own.

8 The Seven Deadly Sins Fell Apart Fast

Season 1 of The Seven Deadly Sins did almost everything right. It introduced Meliodas, Ban, Diane, and the rest of the Sins while slowly building toward the battle against the Holy Knights. The action looked great, the comedy landed well, and the fantasy world was genuinely fun to explore.

Things started falling apart after A-1 Pictures stepped away from the series. Wrath of the Gods became infamous for stiff animation, awkward fight choreography, and heavy censorship during important battles. Fights that should have been series highlights ended up becoming internet memes, making it difficult for later seasons to live up to the anime’s strong beginning.

9 Food Wars Started Running Out of Fresh Ideas

The early seasons made every cooking battle feel exciting. Whether it was Soma facing Shinomiya during the Stagiaire arc or the intense Fall Classic Tournament, the dishes were creative, the rivalries felt earned, and every victory helped Soma grow as a chef.

However, that all changed during the BLUE tournament, where rather than seeing the participants’ skills in cooking, the anime series brought in Noir cooks with ridiculous tools and techniques that looked more like supernatural abilities than cooking skills.

10 Log Horizon Lost the Magic of Season 1

The first season of Log Horizon proved that an isekai didn’t need nonstop action to stay exciting. Instead of making every episode about boss fights, it focused on how Shiroe rebuilt Akiba after thousands of players became trapped inside Elder Tale. The formation of the Round Table Alliance remains one of the smartest political storylines in the genre because it solved real problems instead of relying on brute force.

The later seasons slowly moved away from that balance. Season 2 spent a lot of time on side stories and the Akiba Raid, while Season 3 (Destruction of the Round Table) became even more focused on politics surrounding Akiba and Minami. The world kept getting bigger, but the mystery and sense of discovery that made Season 1 so addictive had already faded.

Here is a quick overview of all the anime shows we have discussed above –

AnimeAnime Rating (IMDb)
(As of July 24th, 2026)Where to Watch (USA)

Rent-a-Girlfriend	6.7/10	Crunchyroll
Tokyo Ghoul	7.7/10	Prime Video
The Beginning After the End	5.9/10	Crunchyroll
The Promised Neverland	8.1/10	Crunchyroll, Hulu
The Rising of the Shield Hero	7.6/10	Crunchyroll
Sword Art Online	7.5/10	Hulu
The Devil Is a Part-Timer!	7.4/10	Crunchyroll
The Seven Deadly Sins	7.6/10	Netflix
Food Wars! Shokugeki no Soma	8.0/10	Crunchyroll
Log Horizon	7.4/10	Crunchyroll

Now the big question: Which anime do you think should have ended after Season 1, and which sequel disappointed you the most? Share your thoughts in the comments section below.