Investigation Held by ZnaToKi (1971)
Watch Investigation Held by ZnaToKi Online.
- First Air Date: 1971-02-14
- Last Air Date: 2002-12-10
- Total Seasons: 3
- Total Episodes: 33
- Network: Channel One, Central Television USSR
- Director: Vyacheslav Sorokin
- Writers: Olga Lavrova, Aleksandr Lavrov.
- Creator: Olga Lavrova, Aleksandr Lavrov
