S01E01 Episode 1
There'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.
Butt Detective
S01E22: Episode 22
Koala-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.
Overview
A polite and meticulous super sleuth known as the Butt Detective solves a myriad of baffling mysteries, blowing raspberries in the face of crime.
Episodes
S01E02 Episode 2
Butt 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.
S01E03 Episode 3
After a Kaito the canine crook threatens to steal the Goddess Scarf from the museum, Butt Detective prepares to protect the precious booty.
S01E04 Episode 4
The 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.
S01E05 Episode 5
Butt 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.
S01E06 Episode 6
After 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.
S01E07 Episode 7
A 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.
S01E08 Episode 8
A 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.
S01E09 Episode 9
The purple potato case continues as Butt Detective, Brown and their purple companion head into the ancestors' hut. But it appears to be empty.
S01E10 Episode 10
While 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.
S01E11 Episode 11
When the local barbershop owner complains of a spooky ghost scaring his customers, Butt Detective volunteers to get to the bottom of the mystery.
S01E12 Episode 12
Butt 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.
S01E13 Episode 13
Master burglar Kaito U's stolen the booty from right under Butt Detective's cheeks. But our perceptive hero is not far behind the thief.
S01E14 Episode 14
Butt 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.
S01E15 Episode 15
Butt Detective and Brown venture further into the dangerous ruins only to come face-to-face— or rather cheek-to-cheek—with a familiar figure.
S01E16 Episode 16
Butt Detective is expecting to be interviewed by Cafe Guide magazine, but the odd interviewer who arrives doesn't quite pass the sniff test.
S01E17 Episode 17
Just 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.
S01E18 Episode 18
An international crime-fighting organization has discovered Kaito U's hiding place. Before they head in, Butt Detective is brought along as backup.
S01E19 Episode 19
Butt 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.
S01E20 Episode 20
While 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.
S01E21 Episode 21
Brown reports that while Butt Detective was out, someone stole his precious snack. The big-cheeked detective uses the case as a training opportunity.
S01E22 Episode 22
Koala-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.
S01E23 Episode 23
Butt Detective, Brown and Koala-chan are trapped behind a locked door in the supposedly-haunted mansion but he soon deduces an alternate egress.
S01E24 Episode 24
After 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.
S01E25 Episode 25
Butt 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.
S01E26 Episode 26
When a missing bag turns back up filled with cash, Butt Detective must reconstruct a series of unintentional exchanges before two lovebirds depart.
S01E27 Episode 27
A wealthy banker whose daughter has been kidnapped calls on Butt Detective. The criminal is demanding his famous Rainbow Diamond, but it's missing.
S01E28 Episode 28
Butt 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.
S01E29 Episode 29
Kaito 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.
S01E30 Episode 30
Butt Detective and Brown head to a local festival, where a troublemaker who looks just like the double-cheeked detective has been making mischief.
S01E31 Episode 31
Butt Detective uses the cards and coin that his doppelganger left behind to locate him. Meanwhile, Brown helps his new female friend find her ribbon.
S01E32 Episode 32
A new investigator claims to be the best and challenges Butt Detective to a public detective match. But our hero senses something amiss.
S01E33 Episode 33
There'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.
S01E34 Episode 34
Butt Detective receives another request from rich banker Kamenokoji. His daughter Midori is up to something odd and he wants the sleuth to tail her.
S01E35 Episode 35
The 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.
S01E36 Episode 36
After 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.
S01E37 Episode 37
Brown 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.
S01E38 Episode 38
Butt 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.
S01E39 Episode 39
Butt 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.
S01E40 Episode 40
Butt 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.
S01E41 Episode 41
Butt 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.
S01E42 Episode 42
Butt 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.
S01E43 Episode 43
Chief Maltese butts heads with his rival, Chief Chihuahua, at a restaurant. After something goes missing, they compete to see who can solve the case.
S01E44 Episode 44
Butt 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.
S01E45 Episode 45
Butt Detective and Brown receive a mysterious visitor. Once they deduce his identity, he asks them to help stop Kaito U from stealing his treasure.
S01E46 Episode 46
Butt Detective and the contestants face their next trial: a giant, menacing snake. Later, Kaito U finally shows himself and tries to steal the veil.
S01E47 Episode 47
Kaito 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.
S01E48 Episode 48
Kaito 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.
S01E49 Episode 49
While 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.
S01E50 Episode 50
After 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.
S01E51 Episode 51
The 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.
S01E52 Episode 52
Kaito 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.
S01E53 Episode 53
S01E54 Episode 54
S01E55 Episode 55
S01E56 Episode 56
S01E57 Episode 57
S01E58 Episode 58
S01E59 Episode 59
S01E60 Episode 60
S01E61 Episode 61
S01E62 Episode 62
S01E63 Episode 63
S01E64 Episode 64
S01E65 Episode 65
S01E66 Episode 66
S01E67 Episode 67
S01E68 Episode 68
S01E69 Episode 69
S01E70 Episode 70
S01E71 Episode 71
S01E72 Episode 72
S01E73 Episode 73
S01E74 Episode 74
S01E75 Episode 75
S01E76 Episode 76
S01E77 Episode 77
S01E78 Episode 78
S01E79 Episode 79
S01E80 Episode 80
S01E81 Episode 81
S01E82 Episode 82
S01E83 Episode 83
S01E84 Episode 84
S01E85 Episode 85
S01E86 Episode 86
S01E87 Episode 87
S01E88 Episode 88
S01E89 Episode 89
S01E90 Episode 90
S01E91 Episode 91
S01E92 Episode 92
S01E93 Episode 93
S01E94 Episode 94
S01E95 Episode 95
S01E96 Episode 96
S01E97 Episode 97
S01E98 Episode 98
S01E99 Episode 99
S01E100 Episode 100
S01E101 Episode 101
S01E102 Episode 102
S01E103 Episode 103
S01E104 Episode 104
S01E105 Episode 105
S01E106 Episode 106
S01E107 Episode 107
S01E108 Episode 108
S01E109 Episode 109
S01E110 Episode 110
S01E111 Episode 111
S01E112 Episode 112
S01E113 Episode 113
S01E114 Episode 114
S01E115 Episode 115
S01E116 Episode 116
S01E117 Episode 117
S01E118 Episode 118
S01E119 Episode 119
S01E120 Episode 120
S01E121 Episode 121
S01E122 Episode 122
S01E123 Episode 123
Cast
Yuko Sanpei
Butt Detective (voice)
Ayaka Saito
Brown (voice)
Takahiro Sakurai
(voice)
Ikkei Watanabe
(voice)
Takayuki Sugo
(voice)
Reika Uyama
(voice)
