Der Prinz im Bärenfell (2015)

King Wenzel is worried about his succession. He gets older and his son, Prince Marius, shows no interest in state affairs. One day, during a walk in the forest, Marius is trapped by a demon. He agrees to release him and let him join his father if he finds true love in a limited time, with a bear skin making him monstrous...

Unfortunately the movie Der Prinz im Bärenfell is not yet available on HBO Max.