Season 1 (2018)

Episode 1
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May 3, 2018 • 20m

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.

Episode 2
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May 4, 2018 • 20m

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.

Episode 3
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May 5, 2018 • 20m

After a Kaito the canine crook threatens to steal the Goddess Scarf from the museum, Butt Detective prepares to protect the precious booty.

Episode 4
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July 14, 2018 • 20m

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.

Episode 5
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July 21, 2018 • 20m

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.

Episode 6
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July 28, 2018 • 20m

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.

Episode 7
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August 4, 2018 • 20m

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.

Episode 8
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August 25, 2018 • 20m

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.

Episode 9
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December 1, 2018 • 20m

The purple potato case continues as Butt Detective, Brown and their purple companion head into the ancestors' hut. But it appears to be empty.

Episode 10
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December 8, 2018 • 20m

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.

Episode 11
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December 1, 2018 • 20m

When the local barbershop owner complains of a spooky ghost scaring his customers, Butt Detective volunteers to get to the bottom of the mystery.

Episode 12
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December 8, 2018 • 20m

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.

Episode 13
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December 15, 2018 • 20m

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.

Episode 14
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January 5, 2019 • 20m

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.

Episode 15
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January 12, 2019 • 20m

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.

Episode 16
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January 19, 2019 • 20m

Butt Detective is expecting to be interviewed by Cafe Guide magazine, but the odd interviewer who arrives doesn't quite pass the sniff test.

Episode 17
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January 26, 2019 • 20m

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.

Episode 18
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February 2, 2019 • 20m

An international crime-fighting organization has discovered Kaito U's hiding place. Before they head in, Butt Detective is brought along as backup.

Episode 19
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February 9, 2019 • 20m

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.

Episode 20
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February 16, 2019 • 20m

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.

Episode 21
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February 23, 2019 • 20m

Brown reports that while Butt Detective was out, someone stole his precious snack. The big-cheeked detective uses the case as a training opportunity.

Episode 22
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March 2, 2019 • 20m

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.

Episode 23
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March 9, 2019 • 20m

Butt Detective, Brown and Koala-chan are trapped behind a locked door in the supposedly-haunted mansion but he soon deduces an alternate egress.

Episode 24
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March 16, 2019 • 20m

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.

Episode 25
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March 23, 2019 • 20m

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.

Episode 26
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March 30, 2019 • 20m

When a missing bag turns back up filled with cash, Butt Detective must reconstruct a series of unintentional exchanges before two lovebirds depart.

Episode 27
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July 6, 2019 • 20m

A wealthy banker whose daughter has been kidnapped calls on Butt Detective. The criminal is demanding his famous Rainbow Diamond, but it's missing.

Episode 28
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July 13, 2019 • 20m

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.

Episode 29
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July 20, 2019 • 20m

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.

Episode 30
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July 27, 2019 • 20m

Butt Detective and Brown head to a local festival, where a troublemaker who looks just like the double-cheeked detective has been making mischief.

Episode 31
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August 3, 2019 • 20m

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.

Episode 32
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August 10, 2019 • 20m

A new investigator claims to be the best and challenges Butt Detective to a public detective match. But our hero senses something amiss.

Episode 33
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August 17, 2019 • 20m

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.

Episode 34
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August 24, 2019 • 20m

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.

Episode 35
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August 31, 2019 • 20m

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.

Episode 36
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September 7, 2019 • 20m

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.

Episode 37
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September 14, 2019 • 20m

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.

Episode 38
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September 21, 2019 • 20m

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.

Episode 39
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September 28, 2019 • 20m

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.

Episode 40
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April 4, 2020 • 20m

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.

Episode 41
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April 11, 2020 • 20m

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.

Episode 42
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April 18, 2020 • 20m

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.

Episode 43
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April 25, 2020 • 20m

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.

Episode 44
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May 2, 2020 • 20m

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.

Episode 45
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May 9, 2020 • 20m

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.

Episode 46
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May 16, 2020 • 20m

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.

Episode 47
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May 23, 2020 • 20m

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.

Episode 48
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May 30, 2020 • 20m

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.

Episode 49
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June 6, 2020 • 20m

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.

Episode 50
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June 13, 2020 • 20m

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.

Episode 51
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June 20, 2020 • 20m

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.

Episode 52
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June 27, 2020 • 20m

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.

Episode 53
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April 3, 2021 • 20m

Episode 53 of Season 1 premiered on April 3, 2021

Episode 54
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April 10, 2021 • 20m

Episode 54 of Season 1 premiered on April 10, 2021

Episode 55
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April 17, 2021 • 20m

Episode 55 of Season 1 premiered on April 17, 2021

Episode 56
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April 24, 2021 • 20m

Episode 56 of Season 1 premiered on April 24, 2021

Episode 57
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May 1, 2021 • 20m

Episode 57 of Season 1 premiered on May 1, 2021

Episode 58
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May 8, 2021 • 20m

Episode 58 of Season 1 premiered on May 8, 2021

Episode 59
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May 15, 2021 • 20m

Episode 59 of Season 1 premiered on May 15, 2021

Episode 60
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May 22, 2021 • 20m

Episode 60 of Season 1 premiered on May 22, 2021

Episode 61
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May 29, 2021 • 20m

Episode 61 of Season 1 premiered on May 29, 2021

Episode 62
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June 5, 2021 • 20m

Episode 62 of Season 1 premiered on June 5, 2021

Episode 63
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June 12, 2021 • 20m

Episode 63 of Season 1 premiered on June 12, 2021

Episode 64
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June 19, 2021 • 20m

Episode 64 of Season 1 premiered on June 19, 2021

Episode 65
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June 26, 2021 • 20m

Episode 65 of Season 1 premiered on June 26, 2021

Episode 66
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April 9, 2022 • 20m

Episode 66 of Season 1 premiered on April 9, 2022

Episode 67
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April 16, 2022 • 20m

Episode 67 of Season 1 premiered on April 16, 2022

Episode 68
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April 23, 2022 • 20m

Episode 68 of Season 1 premiered on April 23, 2022

Episode 69
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April 30, 2022 • 20m

Episode 69 of Season 1 premiered on April 30, 2022

Episode 70
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May 7, 2022 • 20m

Episode 70 of Season 1 premiered on May 7, 2022

Episode 71
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May 14, 2022 • 20m

Episode 71 of Season 1 premiered on May 14, 2022

Episode 72
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May 21, 2022 • 20m

Episode 72 of Season 1 premiered on May 21, 2022

Episode 73
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May 28, 2022 • 20m

Episode 73 of Season 1 premiered on May 28, 2022

Episode 74
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June 4, 2022 • 20m

Episode 74 of Season 1 premiered on June 4, 2022

Episode 75
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June 11, 2022 • 20m

Episode 75 of Season 1 premiered on June 11, 2022

Episode 76
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June 18, 2022 • 20m

Episode 76 of Season 1 premiered on June 18, 2022

Episode 77
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June 25, 2022 • 20m

Episode 77 of Season 1 premiered on June 25, 2022

Episode 78
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July 2, 2022 • 20m

Episode 78 of Season 1 premiered on July 2, 2022

Episode 79
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April 8, 2023 • 20m

Episode 79 of Season 1 premiered on April 8, 2023

Episode 80
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April 15, 2023 • 20m

Episode 80 of Season 1 premiered on April 15, 2023

Episode 81
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April 22, 2023 • 20m

Episode 81 of Season 1 premiered on April 22, 2023

Episode 82
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April 29, 2023 • 20m

Episode 82 of Season 1 premiered on April 29, 2023

Episode 83
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May 6, 2023 • 20m

Episode 83 of Season 1 premiered on May 6, 2023

Episode 84
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May 13, 2023 • 20m

Episode 84 of Season 1 premiered on May 13, 2023

Episode 85
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May 20, 2023 • 20m

Episode 85 of Season 1 premiered on May 20, 2023

Episode 86
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May 27, 2023 • 20m

Episode 86 of Season 1 premiered on May 27, 2023

Episode 87
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April 6, 2024 • 20m

Episode 87 of Season 1 premiered on April 6, 2024

Episode 88
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April 13, 2024 • 20m

Episode 88 of Season 1 premiered on April 13, 2024

Episode 89
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April 20, 2024 • 20m

Episode 89 of Season 1 premiered on April 20, 2024

Episode 90
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April 27, 2024 • 20m

Episode 90 of Season 1 premiered on April 27, 2024

Episode 91
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May 4, 2024 • 20m

Episode 91 of Season 1 premiered on May 4, 2024

Episode 92
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May 11, 2024 • 20m

Episode 92 of Season 1 premiered on May 11, 2024

Episode 93
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May 18, 2024 • 20m

Episode 93 of Season 1 premiered on May 18, 2024

Episode 94
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May 25, 2024 • 20m

Episode 94 of Season 1 premiered on May 25, 2024

Episode 95
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June 1, 2024 • 20m

Episode 95 of Season 1 premiered on June 1, 2024

Episode 96
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June 8, 2024 • 20m

Episode 96 of Season 1 premiered on June 8, 2024

Episode 97
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June 15, 2024 • 20m

Episode 97 of Season 1 premiered on June 15, 2024

Episode 98
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June 22, 2024 • 20m

Episode 98 of Season 1 premiered on June 22, 2024

Episode 99
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June 29, 2024 • 20m

Episode 99 of Season 1 premiered on June 29, 2024

Episode 100
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July 6, 2024

Episode 100 of Season 1 premiered on July 6, 2024

Episode 101
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July 13, 2024

Episode 101 of Season 1 premiered on July 13, 2024