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E1
20 min 1. 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.
E2
20 min 2. 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.
E3
20 min 3. 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.
E4
20 min 4. 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.
E5
20 min 5. 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.
E6
20 min 6. 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.
E7
20 min 7. 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.
E8
20 min 8. 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.
E9
20 min 9. 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.
E10
20 min 10. 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.
E11
20 min 11. 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.
E12
20 min 12. 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.
E13
20 min 13. 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.
E14
20 min 14. 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.
E15
20 min 15. 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.
E16
20 min 16. 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.
E17
20 min 17. 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.
E18
20 min 18. 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.
E19
20 min 19. 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.
E20
20 min 20. 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.
E21
20 min 21. 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.
E22
20 min 22. 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.
E23
20 min 23. 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.
E24
20 min 24. 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.
E25
20 min 25. 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.
E26
20 min 26. 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.
E27
20 min 27. 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.
E28
20 min 28. 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.
E29
20 min 29. 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.
E30
20 min 30. 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.
E31
20 min 31. 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.
E32
20 min 32. 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.
E33
20 min 33. 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.
E34
20 min 34. 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.
E35
20 min 35. 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.
E36
20 min 36. 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.
E37
20 min 37. 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.
E38
20 min 38. 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.
E39
20 min 39. 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.
E40
20 min 40. 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.
E41
20 min 41. 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.
E42
20 min 42. 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.
E43
20 min 43. 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.
E44
20 min 44. 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.
E45
20 min 45. 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.
E46
20 min 46. 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.
E47
20 min 47. 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.
E48
20 min 48. 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.
E49
20 min 49. 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.
E50
20 min 50. 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.
E51
20 min 51. 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.
E52
20 min 52. 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.
E53
20 min 53. Episode 53
No synopsis available.
E54
20 min 54. Episode 54
No synopsis available.
E55
20 min 55. Episode 55
No synopsis available.
E56
20 min 56. Episode 56
No synopsis available.
E57
20 min 57. Episode 57
No synopsis available.
E58
20 min 58. Episode 58
No synopsis available.
E59
20 min 59. Episode 59
No synopsis available.
E60
20 min 60. Episode 60
No synopsis available.
E61
20 min 61. Episode 61
No synopsis available.
E62
20 min 62. Episode 62
No synopsis available.
E63
20 min 63. Episode 63
No synopsis available.
E64
20 min 64. Episode 64
No synopsis available.
E65
20 min 65. Episode 65
No synopsis available.
E66
20 min 66. Episode 66
No synopsis available.
E67
20 min 67. Episode 67
No synopsis available.
E68
20 min 68. Episode 68
No synopsis available.
E69
20 min 69. Episode 69
No synopsis available.
E70
20 min 70. Episode 70
No synopsis available.
E71
20 min 71. Episode 71
No synopsis available.
E72
20 min 72. Episode 72
No synopsis available.
E73
20 min 73. Episode 73
No synopsis available.
E74
20 min 74. Episode 74
No synopsis available.
E75
20 min 75. Episode 75
No synopsis available.
E76
20 min 76. Episode 76
No synopsis available.
E77
20 min 77. Episode 77
No synopsis available.
E78
20 min 78. Episode 78
No synopsis available.
E79
20 min 79. Episode 79
No synopsis available.
E80
20 min 80. Episode 80
No synopsis available.
E81
20 min 81. Episode 81
No synopsis available.
E82
20 min 82. Episode 82
No synopsis available.
E83
20 min 83. Episode 83
No synopsis available.
E84
20 min 84. Episode 84
No synopsis available.
E85
20 min 85. Episode 85
No synopsis available.
E86
20 min 86. Episode 86
No synopsis available.
E87
20 min 87. Episode 87
No synopsis available.
E88
20 min 88. Episode 88
No synopsis available.
E89
20 min 89. Episode 89
No synopsis available.
E90
20 min 90. Episode 90
No synopsis available.
E91
20 min 91. Episode 91
No synopsis available.
E92
20 min 92. Episode 92
No synopsis available.
E93
20 min 93. Episode 93
No synopsis available.
E94
20 min 94. Episode 94
No synopsis available.
E95
20 min 95. Episode 95
No synopsis available.
E96
20 min 96. Episode 96
No synopsis available.
E97
20 min 97. Episode 97
No synopsis available.
E98
20 min 98. Episode 98
No synopsis available.
E99
20 min 99. Episode 99
No synopsis available.
E100
20 min 100. Episode 100
No synopsis available.
E101
20 min 101. Episode 101
No synopsis available.
E102
20 min 102. Episode 102
No synopsis available.
E103
20 min 103. Episode 103
No synopsis available.
E104
20 min 104. Episode 104
No synopsis available.
E105
20 min 105. Episode 105
No synopsis available.
E106
20 min 106. Episode 106
No synopsis available.
E107
20 min 107. Episode 107
No synopsis available.
E108
20 min 108. Episode 108
No synopsis available.
E109
20 min 109. Episode 109
No synopsis available.
E110
20 min 110. Episode 110
No synopsis available.
E111
20 min 111. Episode 111
No synopsis available.
E112
20 min 112. Episode 112
No synopsis available.
E113
20 min 113. Episode 113
No synopsis available.
E114
20 min 114. Episode 114
No synopsis available.
E115
20 min 115. Episode 115
No synopsis available.
E116
20 min 116. Episode 116
No synopsis available.
E117
20 min 117. Episode 117
No synopsis available.
E118
20 min 118. Episode 118
No synopsis available.
E119
20 min 119. Episode 119
No synopsis available.
E120
20 min 120. Episode 120
No synopsis available.
E121
20 min 121. Episode 121
No synopsis available.
E122
20 min 122. Episode 122
No synopsis available.
E123
20 min 123. Episode 123
No synopsis available.
E124
20 min 124. Episode 124
No synopsis available.
E125
20 min 125. Episode 125
No synopsis available.
E126
20 min 126. Episode 126
No synopsis available.
E127
20 min 127. Episode 127
No synopsis available.
E128
20 min 128. Episode 128
No synopsis available.
E129
20 min 129. Episode 129
No synopsis available.
E130
20 min 130. Episode 130
No synopsis available.
E131
20 min 131. Episode 131
No synopsis available.
A polite and meticulous super sleuth known as the Butt Detective solves a myriad of baffling mysteries, blowing raspberries in the face of crime.
Genres: Animation, Kids
Stars: Yuko Sanpei, Ayaka Saito, Takahiro Sakurai, Ikkei Watanabe, Takayuki Sugo
