Investigation Held by Kolobki. Part 1 (1986) is a Animation, TV Movie film that follows detectives B. Kolobok and M. Kolobok are investigating the missing striped elephant. Investigation Held by Kolobki. Part 1 is not currently listed with streaming providers in your selected region, but availability can change over time. It has a user rating of 7.5 out of 10 from 2 votes. Fans of animation movies may also want to explore similar titles below.