Maria Sosyan lists the films in the series as being released in the following order: Cheburashka (1971), Gena the Crocodile (1969), Shapoklyak - The Gibus (1974), and Cheburashka Goes to School (1983). However, the first film in the series was "Krokodil Gena" (Gena the Crocodile) followed by "Cheburashka".