S01E0120:481. Episode 1There's a candy thief at large and Butt Detective's on the case with Brown as his backup. But the trail of the culprit leads right into a lake.Episodes — Season 1
Season pageS01E0120:481. Episode 1There's a candy thief at large and Butt Detective's on the case with Brown as his backup. But the trail of the culprit leads right into a lake.
S01E0220:182. Episode 2Butt Detective goes to the station, where the officers are looking into who's behind a string of burglaries. But the chief has another job for them.
S01E0320:483. Episode 3After a Kaito the canine crook threatens to steal the Goddess Scarf from the museum, Butt Detective prepares to protect the precious booty.
S01E0420:234. Episode 4The Black Shadow thieves are in town and the police ask Butt Detective for assistance in putting an end to their mischief before any theft occurs.
S01E0520:335. Episode 5Butt Detective, Brown and Chief Maltese must get to the bottom of the Black Shadow Gang's burglaries. Later, they search for the leader's hideout.
S01E0620:596. Episode 6After someone leaves a strange box at the Lucky Cat, the police show up to help only to find they're behind Butt Detective, who's already on the case.
S01E0720:537. Episode 7A conversation at a feline cafe leads Butt Detective to reveal the backstory of how Brown became his assistant, going back to how he learned to talk.
S01E0820:408. Episode 8A potato-loving lady clad in purple knocks on Butt Detective's door and asks him to get to the bottom of a mysterious message from her ancestors.
S01E0920:309. Episode 9The purple potato case continues as Butt Detective, Brown and their purple companion head into the ancestors' hut. But it appears to be empty.
S01E1020:5710. Episode 10While hearing about a forest cafe's missing manager, Butt Detective realizes he's been tailed by a persistent koala who may be after Brown's job.
S01E1120:4711. Episode 11When the local barbershop owner complains of a spooky ghost scaring his customers, Butt Detective volunteers to get to the bottom of the mystery.
S01E1220:1712. Episode 12Butt Detective is asked to protect the Oyagi family treasure from Kaito U, a master of disguise, but he seems to remain one step behind the thief.
S01E1320:1513. Episode 13Master burglar Kaito U's stolen the booty from right under Butt Detective's cheeks. But our perceptive hero is not far behind the thief.
S01E1420:0414. Episode 14Butt Detective gets a mysterious letter from a faraway jungle, but it's missing a return address on its back. He and Brown head out for an adventure.
S01E1520:3415. Episode 15Butt Detective and Brown venture further into the dangerous ruins only to come face-to-face— or rather cheek-to-cheek—with a familiar figure.
S01E1620:4416. Episode 16Butt Detective is expecting to be interviewed by Cafe Guide magazine, but the odd interviewer who arrives doesn't quite pass the sniff test.
S01E1720:5817. Episode 17Just as Butt Detective is about to go to the police station to learn about a new crime-fighting tool, he receives an urgent call about a stolen item.
S01E1820:4718. Episode 18An international crime-fighting organization has discovered Kaito U's hiding place. Before they head in, Butt Detective is brought along as backup.
S01E1920:2919. Episode 19Butt Detective and Brown resolve to get to the bottom of rumors about a giant thief. They soon deduce what appears to be its present location.
S01E2020:5020. Episode 20While the cops continue their investigation into the giant jewel thief, Butt Detective and Brown are hot on the heels (and cheeks) of the big bandit.
S01E2120:0021. Episode 21Brown reports that while Butt Detective was out, someone stole his precious snack. The big-cheeked detective uses the case as a training opportunity.
S01E2220:2622. Episode 22Koala-chan asks Butt Detective for help dealing with ghosts seen near a park she likes. Brown insists he's not scared but doesn't seem to want to go.
S01E2320:2823. Episode 23Butt Detective, Brown and Koala-chan are trapped behind a locked door in the supposedly-haunted mansion but he soon deduces an alternate egress.
S01E2420:2324. Episode 24After getting his cheeks shaved, Butt Detective accepts a job from the police to return a stolen item to its owner. But no one knows who it is.
S01E2520:0525. Episode 25Butt Detective investigates a robbery at the Elvis Grizzly museum. The case darkens as the clues lead back to one of the police's own K-9 officers.
S01E2620:2326. Episode 26When a missing bag turns back up filled with cash, Butt Detective must reconstruct a series of unintentional exchanges before two lovebirds depart.
S01E2720:4927. Episode 27A wealthy banker whose daughter has been kidnapped calls on Butt Detective. The criminal is demanding his famous Rainbow Diamond, but it's missing.
S01E2820:3228. Episode 28Butt Detective's search for the Rainbow Diamond is almost at an end. But some wall-writings indicate that actually picking it up might not be so easy.
S01E2920:5429. Episode 29Kaito U's back and he's threatening to steal a porcine spa's "greatest treasure." Butt Detective and the K-9s try to deduce what it could be.
S01E3020:0730. Episode 30Butt Detective and Brown head to a local festival, where a troublemaker who looks just like the double-cheeked detective has been making mischief.
S01E3120:0931. Episode 31Butt Detective uses the cards and coin that his doppelganger left behind to locate him. Meanwhile, Brown helps his new female friend find her ribbon.
S01E3220:3532. Episode 32A new investigator claims to be the best and challenges Butt Detective to a public detective match. But our hero senses something amiss.
S01E3320:4533. Episode 33There's trouble at the KNK bank and the police ask Butt Detective to take the job. But soon Carrot Horse butts in, complicating the situation.
S01E3420:2234. Episode 34Butt Detective receives another request from rich banker Kamenokoji. His daughter Midori is up to something odd and he wants the sleuth to tail her.
S01E3520:5635. Episode 35The K-9 cops and a gang of sparrow laborers ask Butt Detective to look into what's behind a series of spooky ghost-sightings at an old clock tower.
S01E3620:4636. Episode 36After feline thieves nab a special cane, Butt Detective is on the case. He's joined by his double-cheeked dad, who has a history with the stolen item.
S01E3720:2037. Episode 37Brown and his koala pal star in a new detective movie. But behind the scenes, Butt Detective must solve a real case involving some thieving monkeys.
S01E3820:1338. Episode 38Butt Detective arrives at Castle Wolf to protect its booty from Kaito U. But he gets the impression there's something not quite right with his host.
S01E3920:3139. Episode 39Butt Detective arrives at the treasure only to see it stolen by Kaito U. But then a second Kaito U appears and each claims that the other is a phony.
S01E4020:2840. Episode 40Butt Detective and Brown head to a ski slope to investigate rumors of a monstrous yeti, who is behind the resort’s sudden drop in customers.
S01E4120:3441. Episode 41Butt Detective's deductions finally lead him to the bottom of the yeti mystery. But he still needs to catch the culprits responsible for its creation.
S01E4220:2442. Episode 42Butt Detective's deductions finally lead him to the bottom of the yeti mystery. But he still needs to catch the culprits responsible for its creation.
S01E4320:1443. Episode 43Chief Maltese butts heads with his rival, Chief Chihuahua, at a restaurant. After something goes missing, they compete to see who can solve the case.
S01E4420:5744. Episode 44Butt Detective uses tricky tactics to give Brown a lesson in sleuthing. Later, the local kids surprise Brown by giving him a case of his own to solve.
S01E4520:1145. Episode 45Butt Detective and Brown receive a mysterious visitor. Once they deduce his identity, he asks them to help stop Kaito U from stealing his treasure.
S01E4620:2546. Episode 46Butt Detective and the contestants face their next trial: a giant, menacing snake. Later, Kaito U finally shows himself and tries to steal the veil.
S01E4720:0347. Episode 47Kaito U enters the infamously inescapable Orinona Prison and its straight-arrow warden vows to reform him. But Kaito U isn't about to change his ways.
S01E4820:2648. Episode 48Kaito U and his crow companion escape from their prison cell, but they're not out of danger yet. Their first stop is the guards' break room.
S01E4920:2049. Episode 49While Butt Detective and the canine cops review a string of apple thefts, a journalist bursts in to report his camera was stolen by a spooky culprit.S01E5020:5350. Episode 50After two painful cavities lead Brown and Koala-chan to meet at the dentist's office, a canine detective asks them to find his 11 missing puppies.
S01E5120:0351. Episode 51The canine cops reveal a new crime-fighting invention that they're very proud of. But it reminds Brown of the destruction caused by their last one.
S01E5220:2552. Episode 52Kaito U is going after the opera house's treasure, so Butt Detective and Brown pay a visit. One of the actors they see on stage is awfully familiar.
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No streaming offer listed in the United States yet.
Availability provided by JustWatch via TMDB. Offers in the United States, subject to change.
Butt Detective synopsis
A polite and meticulous super sleuth known as the Butt Detective solves a myriad of baffling mysteries, blowing raspberries in the face of crime.
Butt Detective cast
About the series Butt Detective
Butt Detective is a series (animation and kids), airing on NHK Educational TV since 2018. It has 1 season and 131 episodes of about 20 minutes each. The series is still airing. Cast members include Yuko Sanpei, Ayaka Saito and Takahiro Sakurai. It is rated 8.7/10 by 3 TMDB users.
Frequently asked questions about Butt Detective
Where to watch Butt Detective online?
No legal streaming offer is listed in the United States for Butt Detective yet (source: JustWatch via TMDB). Each episode has its own page with this information.
How many seasons of Butt Detective are there?
Butt Detective has 1 season for a total of 131 episodes.
Has Butt Detective ended?
No, current status: returning series.
Who stars in Butt Detective?
The lead actors are Yuko Sanpei (Butt Detective (voice)), Ayaka Saito (Brown (voice)), Takahiro Sakurai ((voice)), Ikkei Watanabe ((voice)), Takayuki Sugo ((voice)).
