Some of the reasons why Bartosz became so disliked was because he lied to Martha Nielsen (Lisa Vicari) about where Jonas Kahnwald (Louis Hofmann) had been over the summer. Bartosz had said Jonas was in France, implying to Martha his friend was sleeping around during his holiday.

What did Bartosz do?

Bartosz was against Jonas/Adam all this time because he knew all the lives were messed up because of him & thats why he left them while Magnus & Franzisca stayed with Jonas/Adam. Bartosz is the one who started digging the cave so that he can go back to where he belongs. Bartosz is the father of Noah & Agnes.

Who killed Bartosz dark?

Dark: Young Noah kills Adult Bartosz for losing faith in Adam. Netflix series Dark finished recently with the story reaching quite the conclusion. The German sci-fi series consisted of three intertwined seasons building a rich, textured story spanning multiple time periods and dimensions.