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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
April 3, 2021 • 20m
Episode 53 of Season 1 premiered on April 3, 2021
April 10, 2021 • 20m
Episode 54 of Season 1 premiered on April 10, 2021
April 17, 2021 • 20m
Episode 55 of Season 1 premiered on April 17, 2021
April 24, 2021 • 20m
Episode 56 of Season 1 premiered on April 24, 2021
May 1, 2021 • 20m
Episode 57 of Season 1 premiered on May 1, 2021
May 8, 2021 • 20m
Episode 58 of Season 1 premiered on May 8, 2021
May 15, 2021 • 20m
Episode 59 of Season 1 premiered on May 15, 2021
May 22, 2021 • 20m
Episode 60 of Season 1 premiered on May 22, 2021
May 29, 2021 • 20m
Episode 61 of Season 1 premiered on May 29, 2021
June 5, 2021 • 20m
Episode 62 of Season 1 premiered on June 5, 2021
June 12, 2021 • 20m
Episode 63 of Season 1 premiered on June 12, 2021
June 19, 2021 • 20m
Episode 64 of Season 1 premiered on June 19, 2021
June 26, 2021 • 20m
Episode 65 of Season 1 premiered on June 26, 2021
April 9, 2022 • 20m
Episode 66 of Season 1 premiered on April 9, 2022
April 16, 2022 • 20m
Episode 67 of Season 1 premiered on April 16, 2022
April 23, 2022 • 20m
Episode 68 of Season 1 premiered on April 23, 2022
April 30, 2022 • 20m
Episode 69 of Season 1 premiered on April 30, 2022
May 7, 2022 • 20m
Episode 70 of Season 1 premiered on May 7, 2022
May 14, 2022 • 20m
Episode 71 of Season 1 premiered on May 14, 2022
May 21, 2022 • 20m
Episode 72 of Season 1 premiered on May 21, 2022
May 28, 2022 • 20m
Episode 73 of Season 1 premiered on May 28, 2022
June 4, 2022 • 20m
Episode 74 of Season 1 premiered on June 4, 2022
June 11, 2022 • 20m
Episode 75 of Season 1 premiered on June 11, 2022
June 18, 2022 • 20m
Episode 76 of Season 1 premiered on June 18, 2022
June 25, 2022 • 20m
Episode 77 of Season 1 premiered on June 25, 2022
July 2, 2022 • 20m
Episode 78 of Season 1 premiered on July 2, 2022
April 8, 2023 • 20m
Episode 79 of Season 1 premiered on April 8, 2023
April 15, 2023 • 20m
Episode 80 of Season 1 premiered on April 15, 2023
April 22, 2023 • 20m
Episode 81 of Season 1 premiered on April 22, 2023
April 29, 2023 • 20m
Episode 82 of Season 1 premiered on April 29, 2023
May 6, 2023 • 20m
Episode 83 of Season 1 premiered on May 6, 2023
May 13, 2023 • 20m
Episode 84 of Season 1 premiered on May 13, 2023
May 20, 2023 • 20m
Episode 85 of Season 1 premiered on May 20, 2023
May 27, 2023 • 20m
Episode 86 of Season 1 premiered on May 27, 2023
April 6, 2024 • 20m
Episode 87 of Season 1 premiered on April 6, 2024
April 13, 2024 • 20m
Episode 88 of Season 1 premiered on April 13, 2024
April 20, 2024 • 20m
Episode 89 of Season 1 premiered on April 20, 2024
April 27, 2024 • 20m
Episode 90 of Season 1 premiered on April 27, 2024
May 4, 2024 • 20m
Episode 91 of Season 1 premiered on May 4, 2024
May 11, 2024 • 20m
Episode 92 of Season 1 premiered on May 11, 2024
May 18, 2024 • 20m
Episode 93 of Season 1 premiered on May 18, 2024
May 25, 2024 • 20m
Episode 94 of Season 1 premiered on May 25, 2024
June 1, 2024 • 20m
Episode 95 of Season 1 premiered on June 1, 2024
June 8, 2024 • 20m
Episode 96 of Season 1 premiered on June 8, 2024
June 15, 2024 • 20m
Episode 97 of Season 1 premiered on June 15, 2024
June 22, 2024 • 20m
Episode 98 of Season 1 premiered on June 22, 2024
June 29, 2024 • 20m
Episode 99 of Season 1 premiered on June 29, 2024
July 6, 2024
Episode 100 of Season 1 premiered on July 6, 2024
July 13, 2024
Episode 101 of Season 1 premiered on July 13, 2024