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The Best Episodes of Ron Kamonohashi's Forbidden Deductions

Every episode of Ron Kamonohashi's Forbidden Deductions ranked from best to worst. Let's dive into the Best Episodes of Ron Kamonohashi's Forbidden Deductions!

Binge this in 10h 25m•Peaking at 8.5/10

Ron Kamonohashi was once regarded as a genius at the top detective training academy. But after a fatal mistake, he was expelled and forbidden to become a detective. Years later, police officer Totomaru Isshiki knocks

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  1. #1 Fan Favorite
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    Ron Kamonohashi's Forbidden Deductions Season 1 Episode 1 - The Case of the Metropolitan Serial Drownings
    8.5/10(112 votes)

    #1 - The Case of the Metropolitan Serial Drownings

    S1:E1

    The Metropolitan Police Department is struggling to investigate a series of murders, yet Detective Isshiki is ordered to go home. Kiku of the General Affairs Division sends him to meet a certain sleuth—a shaggy-haired eccentric named Kamonohashi Ron.

    Director:Unknown
    Writer:Unknown

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  2. Ron Kamonohashi's Forbidden Deductions Season 1 Episode 9 - The Case of the Observatory Murder (3)
    8.5/10(84 votes)

    #2 - The Case of the Observatory Murder (3)

    S1:E9

    Toto gathers everyone together and explains the truth behind the murders. With their name exposed, the culprit takes drastic measures not to be caught, but not before revealing that there's more to this incident than anyone imagined.

    Director:Unknown
    Writer:Unknown

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  3. Ron Kamonohashi's Forbidden Deductions Season 1 Episode 8 - The Case of the Observatory Murder (2)
    8.4/10(77 votes)

    #3 - The Case of the Observatory Murder (2)

    S1:E8

    Ron is named main suspect in a murder and Toto investigates to clear his name. Everyone but Ron has an alibi for the time of the murder, which only seems to cement his guilt, but Toto discovers a few things that cast a new light on the incident.

    Director:Unknown
    Writer:Unknown

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  4. Ron Kamonohashi's Forbidden Deductions Season 1 Episode 7 - The Case of the Observatory Murder (1)
    8.3/10(81 votes)

    #4 - The Case of the Observatory Murder (1)

    S1:E7

    Toto and Ron are invited to a meteor shower viewing being held on Nandan Island. Also invited is John Grizzly, an instructor at BLUE. There was a murder at the observatory years ago, so the director has brought in first-rate detectives...just in case.

    Director:Unknown
    Writer:Unknown

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  5. Ron Kamonohashi's Forbidden Deductions Season 1 Episode 2 - The Case of the Locked-Room Piggy Bank Theft
    8.2/10(92 votes)

    #5 - The Case of the Locked-Room Piggy Bank Theft

    S1:E2

    Ron is excited to solve cases by using Toto, but he's not on any good ones because his boss thinks he's useless. All he gets are odd jobs and busywork. Ron, however, is quite interested in a new report about coins going missing from a piggy bank...

    Director:Unknown
    Writer:Unknown

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  6. Ron Kamonohashi's Forbidden Deductions Season 1 Episode 3 - The Case of the Benizome Hot Spring Murder (1)
    8.2/10(86 votes)

    #6 - The Case of the Benizome Hot Spring Murder (1)

    S1:E3

    Ron wins a pair of tickets to a hot spring in a raffle. Toto accompanies him to stay at the Benizome Inn. The innkeeper who greets them is friendly, but he isn't who he seems. Plus, it isn't long before Ron's eccentricities begin to surface.

    Director:Unknown
    Writer:Unknown

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    The 20 WORST Episodes of Ron Kamonohashi's Forbidden Deductions

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  7. Ron Kamonohashi's Forbidden Deductions Season 1 Episode 4 - The Case of the Benizome Hot Spring Murder (2)
    8.2/10(86 votes)

    #7 - The Case of the Benizome Hot Spring Murder (2)

    S1:E4

    There has been a murder. Ron listens to the other guests' testimonies and begins his deductions. Spitz secretly rejoices at this chance to catch Ron in the act of sleuthing, but outwardly both he and Amamiya entrust the investigation to Toto.

    Director:Unknown
    Writer:Unknown

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  8. Ron Kamonohashi's Forbidden Deductions Season 1 Episode 5 - The Case of the Hand Collector
    8.1/10(80 votes)

    #8 - The Case of the Hand Collector

    S1:E5

    Kawasemi Omito, a supremely skilled detective, leads a joint investigation into a serial killing case. Amamiya lends him Toto, whom Kawasemi deems so useless he's invisible. Ron appears at the newest crime scene as a consultant, irritating Kawasemi.

    Director:Unknown
    Writer:Unknown

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  9. Ron Kamonohashi's Forbidden Deductions Season 1 Episode 6 - The Case of the Live Broadcast Murder
    8.0/10(80 votes)

    #9 - The Case of the Live Broadcast Murder

    S1:E6

    Ron loves a certain TV show that puts psychic abilities to the test. During a live broadcast, a psychic claims he can control minds with written words. His neurosurgeon opponent refutes his claims. Then, the psychic writes the word "Death" on a card.

    Director:Unknown
    Writer:Unknown

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  10. Ron Kamonohashi's Forbidden Deductions Season 1 Episode 10 - The Case of the Poisoned Latte
    7.9/10(74 votes)

    #10 - The Case of the Poisoned Latte

    S1:E10

    Toto is shadowed by a reporter who's a huge fan of his for the way he's solved one difficult case after another. They step into a cafe where Ron happens to be working, making things a little awkward. Then, a customer collapses to the ground—poisoned!

    Director:Unknown
    Writer:Unknown

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  11. Ron Kamonohashi's Forbidden Deductions Season 1 Episode 11 - The Case of the Mad Chameleon Murder
    7.9/10(73 votes)

    #11 - The Case of the Mad Chameleon Murder

    S1:E11

    Toto meets Kawasemi while on a business trip to Aichi. Kawasemi's been in a slump since losing Yamane, and his powers of perception have suffered. He's investigating the Mad Chameleon, who commits a crime right in front of them!

    Director:Unknown
    Writer:Unknown

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  12. Ron Kamonohashi's Forbidden Deductions Season 1 Episode 12 - The Case of the Yadagami-sama Murders (1)
    7.9/10(73 votes)

    #12 - The Case of the Yadagami-sama Murders (1)

    S1:E12

    Ron agrees to take on Spitz's search request in exchange for his obtaining a file on the Bloody Training Incident. Spitz accepts Ron's terms and takes Ron and Toto to Yadamura, a village in Yamanashi prefecture where his ethnologist brother disappeared.

    Director:Unknown
    Writer:Unknown

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  13. Ron Kamonohashi's Forbidden Deductions Season 1 Episode 13 - The Case of the Yadagami-sama Murders (2)
    7.8/10(71 votes)

    #13 - The Case of the Yadagami-sama Murders (2)

    S1:E13

    Toto reveals the truth of the case and the culprit admits to their crimes. Ron's disorder triggers, putting the culprit in danger, but help comes from an unexpected source. Who is their last minute savior, and how are they connected to everything?

    Director:Unknown
    Writer:Unknown

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  14. Ron Kamonohashi's Forbidden Deductions Season 1 Episode 14 - The Case of the Shibuya Apocalypse Serial Murders (1)
    0.0/10(0 votes)

    #14 - The Case of the Shibuya Apocalypse Serial Murders (1)

    S1:E14

    There's been a murder in Shibuya. A man has been found killed in a ghastly and impossible manner. Toto and Amamiya arrive at the scene to find Ron already there. A mysterious message makes them wonder if there's more to the crime than meets the eye.

    Director:Unknown
    Writer:Unknown

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  15. Ron Kamonohashi's Forbidden Deductions Season 1 Episode 15 - The Case of the Shibuya Apocalypse Serial Murders (2)
    0.0/10(0 votes)

    #15 - The Case of the Shibuya Apocalypse Serial Murders (2)

    S1:E15

    There's been another murder in Shibuya. Shocked by the death, the victim's teammate runs. Ron and Toto race to catch him and find more information on the culprit picking off the hacker team. But the more they find, the more complicated things become.

    Director:Unknown
    Writer:Unknown

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  16. Ron Kamonohashi's Forbidden Deductions Season 1 Episode 16 - The Case of the Shibuya Apocalypse Serial Murders (3)
    0.0/10(0 votes)

    #16 - The Case of the Shibuya Apocalypse Serial Murders (3)

    S1:E16

    A huge monitor across the street explodes. While Ron and Toto try to make sense of events, Winter tells them that they've lost more than they realize. As Winter torments Ron with the guilt of his failure, Ron realizes that Winter is hiding something.

    Director:Unknown
    Writer:Unknown

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  17. Ron Kamonohashi's Forbidden Deductions Season 1 Episode 17 - The Case of the Midsummer Beachside Stand Drowning (1)
    0.0/10(0 votes)

    #17 - The Case of the Midsummer Beachside Stand Drowning (1)

    S1:E17

    Toto suggests that Ron take a rest. They invite Ron's doctor, Usaki Mofu, along and head for a dip in the ocean. Ron looks forward to having shaved ice with black sugar syrup from a beachside stand, but things soon take a tragic turn.

    Director:Unknown
    Writer:Unknown

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  18. Ron Kamonohashi's Forbidden Deductions Season 1 Episode 18 - The Case of the Midsummer Beachside Stand Drowning (2)
    0.0/10(0 votes)

    #18 - The Case of the Midsummer Beachside Stand Drowning (2)

    S1:E18

    Ron and the others interview witnesses, but everyone has an alibi for the surfer's estimated time of death. They can't find any concrete evidence that indicates who committed the murder. Then Mofu's usual clumsiness leads to an unexpected clue.

    Director:Unknown
    Writer:Unknown

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  19. Ron Kamonohashi's Forbidden Deductions Season 1 Episode 19 - The Case of the Genius Composer Abduction (1)
    0.0/10(0 votes)

    #19 - The Case of the Genius Composer Abduction (1)

    S1:E19

    Ron accompanies Toto to the concert of a super popular artist Nyonyon. After the performance, a card is found in her room. It's from the Talent Abductor, Hummingbird, who has been taking geniuses of all types one after another.

    Director:Unknown
    Writer:Unknown

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  20. Ron Kamonohashi's Forbidden Deductions Season 1 Episode 20 - The Case of the Genius Composer Abduction (2)
    0.0/10(0 votes)

    #20 - The Case of the Genius Composer Abduction (2)

    S1:E20

    Nyonyon has disappeared. No matter how much they search the house, there's no sign of her. Sannou presents his personal deductions and concludes that Hummingbird is actually there among them, but Ron spots a hole in his reasoning.

    Director:Unknown
    Writer:Unknown

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  21. Ron Kamonohashi's Forbidden Deductions Season 1 Episode 21 - The Case of the Psychology Research Lab Murder (1)
    0.0/10(0 votes)

    #21 - The Case of the Psychology Research Lab Murder (1)

    S1:E21

    A lack of cases has left Ron bored, so he and Toto go with Chikori to gather information for a story she's working on. They visit a university lab researching cognitive psychology where the air is filled with hostility.

    Director:Unknown
    Writer:Unknown

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  22. Ron Kamonohashi's Forbidden Deductions Season 1 Episode 22 - The Case of the Psychology Research Lab Murder (2)
    0.0/10(0 votes)

    #22 - The Case of the Psychology Research Lab Murder (2)

    S1:E22

    Ron and Toto present their deductions to Professor Aoe and the students who use the lab. A number of inconsistencies, starting with the postmark on the threatening letter, lead to the killer's identity and the selfish reasons for their crime.

    Director:Unknown
    Writer:Unknown

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  23. Ron Kamonohashi's Forbidden Deductions Season 1 Episode 23 - The Case of the Highland Auberge Serial Murders (1)
    0.0/10(0 votes)

    #23 - The Case of the Highland Auberge Serial Murders (1)

    S1:E23

    Ron and a number of other guests have been invited to Reunion, an auberge located on a verdant plateau. When their multi-course dinner is served, Ron notices that most everyone seems uneasy. The next morning, there's a disturbing discovery.

    Director:Unknown
    Writer:Unknown

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  24. Ron Kamonohashi's Forbidden Deductions Season 1 Episode 24 - The Case of the Highland Auberge Serial Murders (2)
    0.0/10(0 votes)

    #24 - The Case of the Highland Auberge Serial Murders (2)

    S1:E24

    A second victim is found. Ron notices a pattern in the murder scenes and decides that the key to the mystery must lie there. It soon becomes clear that the guests who were upset by the food the night before are all connected to a case from the past.

    Director:Unknown
    Writer:Unknown

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  25. Ron Kamonohashi's Forbidden Deductions Season 1 Episode 25 - The Case of the Highland Auberge Serial Murders (3)
    0.0/10(0 votes)

    #25 - The Case of the Highland Auberge Serial Murders (3)

    S1:E25

    Ron is in a state of shock after a staggering revelation. He shows no reaction when a third murder occurs. Toto investigates, dragging Ron with him. When Ron recovers enough to help with the case, he tells Toto what he's decided to do.

    Director:Unknown
    Writer:Unknown

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Best Episodes Summary

"The Case of the Metropolitan Serial Drownings" is the best rated episode of "Ron Kamonohashi's Forbidden Deductions". It scored 8.5/10 based on 112 votes. Directed by Unknown and written by Unknown, it aired on 10/2/2023. This episode scored 0.0 points higher than the second highest rated, "The Case of the Observatory Murder (3)".