June 3, 1990 • 26m
A black, mysterious boy appeared in Koko's class. He doesn't hang out with his colleagues, he doesn't play football, he knows a lo...Read more
June 10, 1990 • 26m
On Koko's order and for "paycheck", Koko's colleague Marijana starts stalking Marko Lukarić. Her wish is to become the new Mata Ha...Read more
June 17, 1990 • 26m
Koko decides to go straight to the "enemy" camp, to visit the unusual aunt Vera, who solves crossword puzzles and who...
June 24, 1990 • 26m
Double spy Marijana Hari discovers Marko Lukarić has a new letter from Munich, from his parents - who are not there. Koko devises ...Read more
July 1, 1990 • 26m
All roads lead to the air show. Almost our entire group will gather there. Until then, in the street canal, Koko finds a letter fr...Read more
July 8, 1990 • 26m
On the island, our detectives discover the notebook of Marko Lukarić - from Split. They return to the island at night, and a storm is brewing.
July 15, 1990 • 26m
Koko and the team come to Aunt Vera in the hope of finding Mirko. Mirko has escaped, and Koko has dangerously little time to solve the case.