The performance received the first prize at the Festival of Amateur Poetry Theaters in Poznań, where Julian Przyboś was the chairman of the jury.
Later, Przewłocki appeared in plays such as the cowboy-style adaptation of An Ancient Tale in the staging of Mieczysław Święcicki based on the libretto by Aleksander Bandrowski.
With the ensemble of Teatr 38 he took part in many theater festivals, performing among others in Nancy and Zagreb, Parma, Erlangen and touring in many Spanish cities.
After many years, he returned to acting – he played the television presenter in the etudes Hydrophobia (2013) and Ad maiorem pastae gloriam (2017) directed by Franciszek Vetulani.
There, in 1975, after transforming the department into an independent Institute, he obtained Ph.D. in the field of natural sciences and assumed the position of a senior assistant.
In the years 1977–1979 he obtained a Max-Planck scholarship and completed a post-doctoral internship at the Max Planck Institute of Psychiatry in Munich.
He is a member of international scientific societies (including IASP, EFIC, FENS, SFN, INRC).