In the novels, the kids have to inhale the Pirlimpimpim magic powder to travel to other worlds. This was changed to throwing the powder above the head in this series by Rede Globo's producers as they feared eventual allusions to cocaine.
Actor Nelson Camargo was a lookalike of "O Sítio do Picapau Amarelo" author, Monteiro Lobato: his character in the TV version, José Bento, represented Monteiro Lobato himself (whose birth name was José Bento Monteiro Lobato).
In Janurary 1984, Reny de Oliveira posed nude for Playboy Brasil in an attempt to rid her personal image from Emilia the rag doll.
The Underwater Kingdom sets were completely handmade of plastic pieces and strips of crepe paper.