[1][2] In the production also worked Marcin Kobylecki, Łukasz Alwast, Krzysztof Noworyta, Tobiasz Piątkowski, Jan Pomierny, and Marta Staniszewska.
[1][3] It is based on Polish legends and folk tales, including: Sir Twardowski, Wawel Dragon,[1] Basilisk,[2] and Baba Yaga.
[11][12] The songs were: An anthology titled Legendy Polskie, which consists of stories based on the Polish legends and folk tales, has been published on 30 November 2015 by Allegro.
The stories were written by: Elżbieta Cherezińska, Rafał Kosik, Jakub Małecki, Łukasz Orbitowski, Radek Rak, Robert Wegner.
[13] The short story Wywiad z Borutą [pl] ("An Interview with Boruta") written by Łukasz Orbitowski and Michał Cetnarowski, has been published as an e-book and audiobook in June 2016 by Allegro (available online for free).