Secrecy of the Investigation
6.2
Season 25
53 min
S25 · E1 · Nov 5, 2025
Episode 1 Episode 1
53 min
S25 · E2 · Nov 5, 2025
Episode 2 Episode 2
52 min
S25 · E3 · Nov 12, 2025
Episode 3 Episode 3
52 min
S25 · E4 · Nov 12, 2025
Episode 4 Episode 4
52 min
S25 · E5 · Nov 19, 2025
Episode 5 Episode 5
52 min
S25 · E6 · Nov 19, 2025
Episode 6 Episode 6
52 min
S25 · E7 · Nov 26, 2025
Episode 7 Episode 7
52 min
S25 · E8 · Nov 26, 2025
Episode 8 Episode 8
52 min
S25 · E9 · Nov 26, 2025
Episode 9 Episode 9
52 min
S25 · E10 · Nov 26, 2025
Episode 10 Episode 10
52 min
S25 · E11 · Dec 3, 2025
Episode 11 Episode 11
52 min
S25 · E12 · Dec 3, 2025
Episode 12 Episode 12
52 min
S25 · E13 · Dec 3, 2025
Episode 13 Episode 13
52 min
S25 · E14 · Dec 3, 2025
Episode 14 Episode 14
52 min
S25 · E15 · Dec 10, 2025
Episode 15 Episode 15
52 min
S25 · E16 · Dec 10, 2025
Episode 16 Episode 16
16 episodes in Season 25
Some details come from TheTVDB.
In the center of the plot is a senior investigator named Masha Shvetsova and her male colleagues. The plot is the most vital, but, like in “Streets of Broken Lanterns,” it is seasoned with a fair amount of humor - otherwise, how can the audience (and the heroes) endure countless morgues, identifications and other “cute” charms of the investigative routine?
Where to watch
Not streaming anywhere
Not on any streaming service in United States, and not available to rent.
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Cast
230 people
Anna Kovalchuk
Мария Швецова
Known for
The Master and Margarita
Admiral
Vyacheslav Zakharov
Kovin / Виктор Иванович Ковин
Known for
A Visitor to a Museum
Aleksandr Novikov
Kurochkin / Фёдор Курочкин
Also in
Memories of Sherlock Holmes
Secrets of the Investigation. The Last Century
Andrey Sharkov
Leonid Panov / Леонид Панов
Known for
The Master and Margarita
Piter FM
Yuliya Yakovleva
Zoya / Зоя
Also in
Cold Souls
Empire is Under Attack
Igor Grigoryev
Filonov
Known for
Generation P
Miroslav Malich
Luganskiy
Also in
Gangster's Petersburg
Бандитский Петербург. Передел
Igor Nikolaev
Leonid Korablyov / Леонид Кораблёв
Also in
Возвращение Синдбада
Secrets of the Investigation. The Last Century
Oleg Almazov
Anton Staroseltsev
Also in
Dark Side of the Moon
Crystal City
Sergei Baryshev
Vinokourov
Also in
Officers 2
The Fall of the Empire
Dmitriy Podnozov
Dmitry Zhirov
Known for
Sugar Baby
Difficult Teens
Aleksey Komashko
Олег Платонов
Known for
The Factory
To Live
Olga Kandidatova Director · Egor Barinov Director Aleksandr Burtsev Director
Total runtime 321h 0m · Episode length 45 min · Country Russia
Show info
Premiered
September 1, 2000
Latest episode
December 10, 2025
Status
Returning series
Networks
NTV · TV-6 · Dom Kino +2
Country
Russia
Type
Scripted
Episode length
45 min
Total runtime
321h 0m
Original language
Russian
Production
Panorama Studio
Production
Progress Plus Studio
Production
Ingriya Film
Production
Solnechnyy Dom Studio
Production
Lenfilm
Production
Russia
Produced in
Languages
Original title
Тайны следствия
Spoken on screen
Russian
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Some details come from TheTVDB.