If there’s one anime IP fans can’t stop talking about in 2025, it’s definitely Demon Slayer. Demon Slayer has always been hugely successful, but it just reached new heights this year with its new movie release, Demon Slayer: Infinity Castle Part 1 — Akaza’s Return. This movie was an absolute hit, and naturally, fans wonder if any other series could ever beat Demon Slayer in that regard.

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While beating Demon Slayer at the box office seems impossible, many series will still compete with it regardless. One of the biggest anime movie releases for 2026 has already been revealed, and it’s That Time I Got Reincarnated as a Slime: Tears of the Blue Sea Arc. That Time I Got Reincarnated As A Slime is probably the biggest Isekai at the moment, and in Japan, it is big enough to possibly even compete with Demon Slayer.

That Time I Got Reincarnated As A Slime Is Getting A New Movie In 2026

That Time I Got Reincarnated As A Slime Is Getting A New Movie In 2026

When it comes to big anime names in the Isekai genre, That Time I Got Reincarnated As A Slime absolutely cannot be left on the side. Over the last few years, it can be said that That Time I Got Reincarnated As A Slime has become the biggest Isekai all around the world. Its popularity in Japan especially can’t be understated, and as such, it’s always getting new animated content.

The franchise’s upcoming animated content in 2026 has already been revealed, and it's a new movie. This movie is titled That Time I Got Reincarnated as a Slime: Tears of the Blue Sea Arc, and it’s already highly anticipated by the fans.

This movie is set to premiere on February 27, 2026, and it is definitely going to be a huge success.

That Time I Got Reincarnated As A Slime Is A Huge IP In Japan That Could Compete with Demon Slayer

That Time I Got Reincarnated As A Slime compete demon slayer infinity castle

Not many series can ever dream of competing with Demon Slayer when it comes to movies. After all, even the likes of One Piece, Dragon Ball, and Jujutsu Kaisen, can’t hold a candle to its movies when it comes to Box Office numbers. At the moment, Demon Slayer holds both the number 1 and number 2 movies at the Japanese Box Office, and this doesn’t seem to be changing anytime soon.

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That Time I Got Reincarnated As A Slime: Tears of the Blue Sea Arc might have a chance to compete. Fans know That Time I Got Reincarnated As A Slime to be one of the biggest anime series in Japan at the moment. Tears of the Blue Sea Arc has a lesser chance to compete in the global market, but at the Japanese Box Office, it definitely has a shot, at the very least.

That Time I Got Reincarnated As A Slime Can Beat Demon Slayer In Ratings

That Time I got Reincarnated As A Slime Can Beat Demon Slayer In Ratings

While beating Demon Slayer at the box office seems unlikely, That Time I Got Reincarnated as a Slime: Tears of the Blue Sea Arc could still beat the franchise when it comes to ratings.

After all, Demon Slayer: Infinity Castle isn’t even 2025’s highest-rated anime movie. That title goes to Chainsaw Man: Reze arc. Depending on how good the upcoming Slime movie is, the franchise definitely has a shot to be higher rated than Demon Slayer. Regardless of ratings, fans will be eagerly waiting for this movie to be released.

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Demon Slayer
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Release Date
April 6, 2019
Network
Adult Swim
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Based on Koyoharu Gotouge's shonen manga, Demon Slayer: Kimetsu no Yaiba is an action anime set in Japan during the early 20th century. Seeking revenge for the murder of his family while also looking to save his sister, Tanjiro joins the Demon Slayer Corps as they try to eradicate Demons led by Muzan.

Creator
Koyoharu Gotoge
Number of Episodes
63
Streaming Service(s)
Crunchyroll, Hulu, Netflix