Complex sentence: In the first episode of the second season ("The Hardy Boys and Nancy Drew Meet Dracula") they meet in a hotel room in Europe; the boys tracking their father, who was working on a case with Nancy Drew.
Split into simpler sentences: In the first episode of the second season ("The Hardy Boys and Nancy Drew Meet Dracula") they meet in a hotel room in Europe. The boys, tracking their father, who was working on a case with Nancy Drew.