8 minutes, 35 mm, colour, 1983
Classical cartoon animation Audience: family Commentary: off screen
Producer: KF a.s. - Studio Bratri v triku Director: M+B+D (Macourek, Born, Doubrava) Designer: Adolf Born
The final episode of the "Mach and Sebestova" series. When the children at school are given their certificates the biggest rascals of the class, Pazout and Horacek, steel the magic receiver and turn themselves into giants. They kidnap their teacher and threaten the destruction of the school unless they receive the same marks as Mach and Sebestova. Mach and Sebestova, with the help of Jonatan, manage to get the receiver back and they save both the teacher and the school.