Connections

Andrzej and Anna go to a cinema and watch this film

The names of the two 'special unit' dwarves are Kwintek and Kramerko, which is a pun on the names of two leadind characters in one of the previous movies by Juliusz Machulski, which are Kwinto and Kramer, played by the same actors.

the word 'seksmisja' is mentioned in the dialogue

In the song 'Szuflandia' the refrain 'HEI-HO' was ironically repeated