Beheneko: The Elf-Girl's Cat Is Secretly an S-Ranked Monster!_
Original: Sランクモンスターの《ベヒーモス》だけど、猫と間違われてエルフ娘の騎士（ペット）として暮らしてます
After dying in a fight against the forces of evil, a knight found himself reincarnated as one of the most powerful monsters in the world: a behemoth! Problem is, he has to grow up before he can really strut his stuff, and a baby behemoth looks an awful lot like…a housecat?! And when an elf adventurer decides to take him in, she may need his help as much as he needs hers!
Network
Tokyo MX
Episodes
12
Updated Feb 16, 2026
WHERE TO WATCH
HiDive
4 countries
Watcha
1 country
TVING
1 country
Prime Video
1 country
Anime Times Amazon Channel
1 country
DROPTHE_ GOSSIP
Overview
Beheneko: The Elf-Girl's Cat Is Secretly an S-Ranked Monster! has 1 season with 12 episodes spanning 2025.
Cast
Hinaki Yano →
Hinaki Yano stars as Aria (voice) in Beheneko: The Elf-Girl's Cat Is Secretly an S-Ranked Monster!.
Hinaki Yano →
Year context
Beheneko: The Elf-Girl's Cat Is Secretly an S-Ranked Monster! first aired 1 year ago in 2025.
CAST (9)
Hinaki Yano
Aria (voice)
Tasuku Hatanaka
Tama (voice)
Hitomi Ueda
Stella (voice)
Tomori Kusunoki
Vulcan (voice)
Yuu Wakui
Feri (voice)
Nonoka Obuchi
Lily (voice)
Maaya Uchida
Alisha (voice)
Nobuyuki Hiyama
Arnaldo (voice)
Riho Sugiyama
Tama (Cat)
SEASONS (1 season, 12 episodes)
SEASON 1
01
The Elf Girl and the Knight's Vow
A knight dies and is reincarnated into a baby Behemoth, an S-rank monster that looks just like a cat! A novice D-rank adventurer, Aria, adopts…
02
The Tigris-ear Blacksmith & A Brand New Skill
Aria and Tama visit the armor shop of their familiar blacksmith, Vulcan, to have Tama's armor tailored.
03
Urgent Quest - Defeat the Demons!
Disappearances plague the neighboring town of Lenard and the demon, Beryl, is behind it all. Aria accepts a quest to save the people in trouble.
04
Awaken - Behemoth!
Tama takes on the earth dragon, his fated enemy, in order to save Aria from the brink of death. Tama turns into a real behemoth!
05
Elf Girl & Dragon Girl
Stella continues making passes at Tama with her telepathic skills. Meanwhile, Tama feels uneasy as he watches her fight, driven by her old earth dragon…
06
Girls of the Wandering Woods
The group is caught up in a new forest labyrinth. Tama and Aria are excited to explore an untouched earth said to be full of…
07
Undead on Approach - Dark Tales of the Earl
Aria and friends desperately search for Lily and Feri. According to Vulcan, the Earl of Gladstone is rumored to be kidnapping young, beautiful women.
08
The Elf Girl Makes a Move
Lily and Feri join Aria's party. Aria is rewarded with a promotion to A-Rank Adventurer! Meanwhile, Tama unlocks the ability to evolve into his third…
09
Fated Reunion in the Imperial City!
By invitation of the emperor, Aria and company travel to the imperial city of Klareal. There they meet legendary hero Prince Julius and the Holy…
10
The Powers of Tama and Aria
With news that one of the Demonic Four has returned to the labyrinth in Ruine, Aria's party, Julius, and Cedric's knights make way for its…
11
The Philosopher's Stone and the Secret of Lumines
After escaping to the demon world, Vasaago's next stop is Aria's birthplace: Lumines. His target? The Philosopher's Stone.
12
Sacred Blade & Beast
The battle against Vasaago for the fate of the world has begun. Tama evolves into his third behemoth form and takes to the skies with…
SERIES INFO
1
Seasons
12
Episodes
Ended
Status
NETWORKS (2)
Tokyo MX
Sun TV
DETAILS
First Aired
Last Aired
Status
Ended
Seasons
1
Episodes
12
Language
Japanese
Country
Rating
6.4/10 (30 votes)
Popularity
6
IMDB
FREQUENTLY ASKED QUESTIONS
What is Beheneko: The Elf-Girl's Cat Is Secretly an S-Ranked Monster! about?
After dying in a fight against the forces of evil, a knight found himself reincarnated as one of the most powerful monsters in the world: a behemoth! Problem is, he has to grow up before he can really strut his stuff, and a baby behemoth looks an awful lot like…a housecat?! And when an elf adventurer decides to take him in, she may need his help as much as he needs hers!
Where can I watch Beheneko: The Elf-Girl's Cat Is Secretly an S-Ranked Monster!?
Beheneko: The Elf-Girl's Cat Is Secretly an S-Ranked Monster! is available on HiDive, Watcha, TVING, Prime Video, Anime Times Amazon Channel. Availability varies by region.
How many seasons does Beheneko: The Elf-Girl's Cat Is Secretly an S-Ranked Monster! have?
Beheneko: The Elf-Girl's Cat Is Secretly an S-Ranked Monster! has 1 season with 12 episodes total.
Who stars in Beheneko: The Elf-Girl's Cat Is Secretly an S-Ranked Monster!?
The cast of Beheneko: The Elf-Girl's Cat Is Secretly an S-Ranked Monster! includes Hinaki Yano, Tasuku Hatanaka, Hitomi Ueda, Tomori Kusunoki, Yuu Wakui.
What is the rating of Beheneko: The Elf-Girl's Cat Is Secretly an S-Ranked Monster!?
Beheneko: The Elf-Girl's Cat Is Secretly an S-Ranked Monster! has a rating of 6.4 out of 10 based on 30 votes on TMDB.
Is Beheneko: The Elf-Girl's Cat Is Secretly an S-Ranked Monster! still running?
Beheneko: The Elf-Girl's Cat Is Secretly an S-Ranked Monster! has ended. The final episode aired on .
GENRES (4)
Animation
Action & Adventure
Comedy
Sci-Fi & Fantasy
