Season 1
Episodes
1. Episode 1
2018-05-03
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.
2. Episode 2
2018-05-04
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.
3. Episode 3
2018-05-05
After a Kaito the canine crook threatens to steal the Goddess Scarf from the museum, Butt Detective prepares to protect the precious booty.
4. Episode 4
2018-07-14
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.
5. Episode 5
2018-07-21
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.
6. Episode 6
2018-07-28
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.
7. Episode 7
2018-08-04
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.
8. Episode 8
2018-08-25
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.
9. Episode 9
2018-12-01
The purple potato case continues as Butt Detective, Brown and their purple companion head into the ancestors' hut. But it appears to be empty.
10. Episode 10
2018-12-08
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.
11. Episode 11
2018-12-01
When the local barbershop owner complains of a spooky ghost scaring his customers, Butt Detective volunteers to get to the bottom of the mystery.
12. Episode 12
2018-12-08
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.
13. Episode 13
2018-12-15
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.
14. Episode 14
2019-01-05
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.
15. Episode 15
2019-01-12
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.
16. Episode 16
2019-01-19
Butt Detective is expecting to be interviewed by Cafe Guide magazine, but the odd interviewer who arrives doesn't quite pass the sniff test.
17. Episode 17
2019-01-26
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.
18. Episode 18
2019-02-02
An international crime-fighting organization has discovered Kaito U's hiding place. Before they head in, Butt Detective is brought along as backup.
19. Episode 19
2019-02-09
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.
20. Episode 20
2019-02-16
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.
21. Episode 21
2019-02-23
Brown reports that while Butt Detective was out, someone stole his precious snack. The big-cheeked detective uses the case as a training opportunity.
22. Episode 22
2019-03-02
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.
23. Episode 23
2019-03-09
Butt Detective, Brown and Koala-chan are trapped behind a locked door in the supposedly-haunted mansion but he soon deduces an alternate egress.
24. Episode 24
2019-03-16
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.
25. Episode 25
2019-03-23
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.
26. Episode 26
2019-03-30
When a missing bag turns back up filled with cash, Butt Detective must reconstruct a series of unintentional exchanges before two lovebirds depart.
27. Episode 27
2019-07-06
A wealthy banker whose daughter has been kidnapped calls on Butt Detective. The criminal is demanding his famous Rainbow Diamond, but it's missing.
28. Episode 28
2019-07-13
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.
29. Episode 29
2019-07-20
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.
30. Episode 30
2019-07-27
Butt Detective and Brown head to a local festival, where a troublemaker who looks just like the double-cheeked detective has been making mischief.
31. Episode 31
2019-08-03
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.
32. Episode 32
2019-08-10
A new investigator claims to be the best and challenges Butt Detective to a public detective match. But our hero senses something amiss.
33. Episode 33
2019-08-17
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.
34. Episode 34
2019-08-24
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.
35. Episode 35
2019-08-31
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.
36. Episode 36
2019-09-07
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.
37. Episode 37
2019-09-14
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.
38. Episode 38
2019-09-21
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.
39. Episode 39
2019-09-28
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.
40. Episode 40
2020-04-04
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.
41. Episode 41
2020-04-11
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.
42. Episode 42
2020-04-18
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.
43. Episode 43
2020-04-25
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.
44. Episode 44
2020-05-02
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.
45. Episode 45
2020-05-09
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.
46. Episode 46
2020-05-16
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.
47. Episode 47
2020-05-23
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.
48. Episode 48
2020-05-30
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.
49. Episode 49
2020-06-06
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.
50. Episode 50
2020-06-13
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.
51. Episode 51
2020-06-20
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.
52. Episode 52
2020-06-27
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.
53. Episode 53
2021-04-03
No overview available.
54. Episode 54
2021-04-10
No overview available.
55. Episode 55
2021-04-17
No overview available.
56. Episode 56
2021-04-24
No overview available.
57. Episode 57
2021-05-01
No overview available.
58. Episode 58
2021-05-08
No overview available.
59. Episode 59
2021-05-15
No overview available.
60. Episode 60
2021-05-22
No overview available.
61. Episode 61
2021-05-29
No overview available.
62. Episode 62
2021-06-05
No overview available.
63. Episode 63
2021-06-12
No overview available.
64. Episode 64
2021-06-19
No overview available.
65. Episode 65
2021-06-26
No overview available.
66. Episode 66
2022-04-09
No overview available.
67. Episode 67
2022-04-16
No overview available.
68. Episode 68
2022-04-23
No overview available.
69. Episode 69
2022-04-30
No overview available.
70. Episode 70
2022-05-07
No overview available.
71. Episode 71
2022-05-14
No overview available.
72. Episode 72
2022-05-21
No overview available.
73. Episode 73
2022-05-28
No overview available.
74. Episode 74
2022-06-04
No overview available.
75. Episode 75
2022-06-11
No overview available.
76. Episode 76
2022-06-18
No overview available.
77. Episode 77
2022-06-25
No overview available.
78. Episode 78
2022-07-02
No overview available.
79. Episode 79
2023-04-08
No overview available.
80. Episode 80
2023-04-15
No overview available.
81. Episode 81
2023-04-22
No overview available.
82. Episode 82
2023-04-29
No overview available.
83. Episode 83
2023-05-06
No overview available.
84. Episode 84
2023-05-13
No overview available.
85. Episode 85
2023-05-20
No overview available.
86. Episode 86
2023-05-27
No overview available.
87. Episode 87
2024-04-06
No overview available.
88. Episode 88
2024-04-13
No overview available.
89. Episode 89
2024-04-20
No overview available.
90. Episode 90
2024-04-27
No overview available.
91. Episode 91
2024-05-04
No overview available.
92. Episode 92
2024-05-11
No overview available.
93. Episode 93
2024-05-18
No overview available.
94. Episode 94
2024-05-25
No overview available.
95. Episode 95
2024-06-01
No overview available.
96. Episode 96
2024-06-08
No overview available.
97. Episode 97
2024-06-15
No overview available.
98. Episode 98
2024-06-22
No overview available.
99. Episode 99
2024-06-29
No overview available.
100. Episode 100
2024-07-06
No overview available.
101. Episode 101
2024-07-13
No overview available.
102. Episode 102
2024-10-05
No overview available.
103. Episode 103
2024-10-12
No overview available.
104. Episode 104
2024-10-19
No overview available.
105. Episode 105
2024-10-26
No overview available.
106. Episode 106
2024-11-02
No overview available.
107. Episode 107
2024-11-09
No overview available.
108. Episode 108
2024-11-16
No overview available.
109. Episode 109
2025-04-05
No overview available.
110. Episode 110
2025-04-12
No overview available.
111. Episode 111
2025-04-19
No overview available.
112. Episode 112
2025-04-26
No overview available.
113. Episode 113
2025-05-03
No overview available.
114. Episode 114
2025-05-10
No overview available.
115. Episode 115
2025-05-17
No overview available.
116. Episode 116
2025-05-24
No overview available.