History Series / TokusouSaizensen

** [[spoiler: Kamishiro's daughter dies in Episode 50, and he spends the next episode going full VigilanteMan to avenge her.]] This plot point comes back to haunt him in the final episode.

** Funamura's relationship with his daughter was strained when he returned to duty in Episode 170. She eventually leaves him in Episode 274 and moves to Hawaii where she has a child with her unmarried partner, but Funamura reconciles with her by the episode's end.
** Funamura also gets hit with this quite a lot in other episodes: His wife dies in Episode 128, which leads him to retire. This is reversed in Episode 170 and leads to the above-mentioned story arc with his daughter. In Episodes 359 and 360, he suffers from a heart attack and starts to fear that his days as a detective are about to come to an end. He however, he won't hand in his resignation until Episode 430. Then he gets involved with the squad one last time in Episodes 500-501, where he refuses to cooperate in identifying a police informant in a drug-smuggling organization. However, the organization kidnaps his daughter and grandson, which forces him into acting against his old coworkers to get them back.

** Vartaion: Episode 277 sees Tachibana and the squad making it look like he was framed in order to take down a corrupt cop ring that's joined hands with the ''{{Yakuza}}''.

** The squad faces against one in Episode 107, a sniper who targets people when they smile or laugh (apparently because it reminds him of a painful break up he had).

** Episode 50 features [[spoiler: the death of Kamishiro's daughter. He spends the next one trying to avenge her.]]

** Hideji Ōtaki, who played Detective Funamura, was absent for Episodes 129 to 169. As a result, his character was described as having gone into retirement before his return in Episode 170.

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* AtomicHate: The department is charged with finding a homemade nuke in Episodes 29 and 30.

* TheBigGuy: Takasugi and Tachibana. Takasugi, while being a bit rotund, is ordinarily tough and is just as handy taking down suspects. Meanwhile Tachibana is a head taller than most of the cast and is the department's best shot.

** Funamura also gets hit with this quite a lot in other episodes: His wife dies in Episode 128, which leads him to retire. This is reversed in Episode 170 and leads to the above-mentioned story arc with his daughter. In Episodes 359 and 360, he suffers from a heart attack and starts to fear that his days as a detective are about to come to an end. He however, he won't hand in his resignation until Episode 430. Then he gets involved with the department one last time in Episodes 500-501, where he refuses to cooperate in identifying a police informant in a drug-smuggling organization. However, the organization kidnaps his daughter and grandson, which forces him into acting against his old coworkers to get them back.

** Also in Episodes 107 and 136-137, where a schoolgirl is killed by a serial killer and boy, then his brother, get kidnapped and drowned before he can get rescued, respectively. The department does end up saving his brother, thankfully.

* EarnYourHappyEnding: The SeriesFinale. The department takes on a long, agonizing case where they deal with a corrupt political party that their own colleagues and family are involved in, with the department's very existence put into question. In the end, [[spoiler: they successfully prosecute the criminals, and the department is expanded into two separate divisions led by Tachibana and Sakurai, respectively, while Kamishiro is promoted as overall section chief.]]

* GrandFinale: Episodes 506-508 serve as this as the department faces against a powerful but corrupt political party that their own friends and family are involved with.

** Episode 70 has a spy satellite that fall into the ocean and the department be tasked with its recovery.
** Episodes 29 and 30 also has the department investigating a theft of stolen plutonium, which soon turns into a hunt for a miniature nuclear bomb and its creator.

* NebulousEvilOrganisation: In the SeriesFinale, the department faces against a [[RightWingMilitiaFanatic ultra-right wing]] party calling itself the National Council for the Salvation of Japan, or Nissho-ren for short (an abbreviation of the group's Japanese name). The Nissho-ren has ties to the country's five most powerful ''yakuza'' syndicates while being chock full of [[CorruptPolitician Corrupt Politcians]] and [[CorruptCop Corrupt Cops]] to the point that the East Shinjuku Police Department is [[TheMole riddled with its informants]]. It also supposedly has ties to [[Main/CUlt cults]] and [[Main/TheKlan The Klan]].[[note]]A bit of TruthInTelevision here as Japan's resident right-wingers historically have had good relations and strong ties with the ''yakuza'', and they still do even to this day.[[/note]]

** Another shows up to kill Kamishiro in the SeriesFinale. [[spoiler: [[TheCavalry The rest of the department arrives to the rescue before he can finish the job.]]]]

* SacrificialLamb: When it's clear that neither he nor the department can find any solid evidence to prosecute the Nissho-ren, Kamishiro decides to let them kill him and attempts to film the murder as evidence so the investigation can succeed. [[spoiler: Thankfully, his protege, who was in cahoots with the Nissho-ren, turns informant and the department rescues Kamishiro before he can be killed.]]

** The department faces against one in Episode 107, a sniper who targets people when they smile or laugh (apparently because it reminds him of a painful break up he had).

* TheSmurfettePrinciple: The cast only had two female members overall, and they never shared screentime as regulars - and even then they weren't full-on members, but rather the department's secretaries. This was temporarily averted when the first one guest-starred late in the series deep into her successor's run.
* ThankingTheViewer: After the credits of the third and final part of the SeriesFinale, in place of the usual [[OnTheNext "next time on Tokusou Saizensen segment"]], the viewer instead gets a thank-you from Hideaki Nitani and the rest of the cast:

* TVMovie: To commemorate the show moving to TV Asahi's 9pm Thursday evening slot, the show premiered a 90-minute movie. In it, the department faces three separate cases that are oddly interconnected: a series of bombings, a child kidnapping, and a 20-year-old murder. It also featured some new cast members since [[spoiler: Funamura retired for good and Hoshino was killed off.]] This is not counted as Episode 435, as the one after that was counted as such.

** Episodes 500-501 featured [[spoiler: Funamura's last appearance on the show, as the department is looking for his help in identifying a long-time police mole in a ''yakuza'' gang's drug-running operation.]] It also saw [[spoiler: Naoya Makoto's brief return as a ''yakuza'' goon who looks like Hoshino.]]

* MinorCrimeRevealsMajorPlot: Although not exactly "minor", Episode 506 begins with Tachibana investigating a murder-robbery involving a serial killer who may not have been guilty of the crime. [[spoiler: The killer is proven to be innocent, with the actual culprit being the murder victim's policeman boyfriend. However, the reason he robbed the bank was because it contained incriminating evidence against a corrupt political organization he was in cahoots with.]]

* CoolShades: Sakurai has them.