Detectives B. Kolobok and M. Kolobok are investigating the missing striped elephant.
Unfortunately the movie Investigation Held by Kolobki. Part 1 is not yet available on Disney Plus.
| Directing | Igor Kovalyov | Director |
| Directing | Aleksandr Tatarskiy | Director |
| Writing | Eduard Uspensky | Screenplay |
| Sound | Yuriy Chernavskiy | Original Music Composer |
| Editing | Lyubov Georgieva | Lead Editor |
| Art | Olga Okhrimets | Production Design |
| Art | Aleksandr Tatarskiy | Production Design |
| Production | Igor Gelashvili | Production Manager |
| Art | Nataliya Grachyova | Production Illustrator |
| Art | Maksim Radayev | Production Illustrator |
| Art | Valentin Telegin | Production Illustrator |
| Art | Valeriy Tokmakov | Assistant Production Design |
| Art | Anna Yushkina | Production Illustrator |
| Sound | Oleg Solomonov | Sound Director |
| Camera | Iosif Golomb | Director of Photography |
| Visual Effects | Vladlen Barbe | Animation |
| Visual Effects | Zhenia Delioussine | Animation |
| Visual Effects | Sergey Shramkovsky | Animation |
| Visual Effects | Dmitriy Naumov | Animation |
| Visual Effects | Andrei Svislotski | Animation |
| Visual Effects | Alla Yurkovskaya | Animation |
| Writing | Alisa Feodoridi | Script Editor |
