The Great North Season 3 Episode 11 Arranger-ous Minds Adventure Episode Title: Arranger-ous Minds Adventure Episode Description: Moon, Quinn, and Russell mistakenly believe that their teacher Theodore Golovkin has murdered his girlfriend, fellow teacher Mary Anderson, but learn that they've actually broken up. When Mr. Golovkin explains that his rigid inability to alter his extensive model train set and other neatly placed items to accommodate Ms. Anderson moving in was the reason for their break up, Moon fears that his own obsession with orderliness will jeopardize his possible chances with Quinn. Searching online, he encounters the possibility that he and Mr. Golovkin have obsessive compulsive disorder (OCD). Though he is less convinced that Moon may have OCD, Mr. Golovkin confronts the impact the disorder has had on his life and how it may negatively impact his future. With Moon's help, he takes steps to reorganize his home in some of the ways requested by Ms. Anderson. He also tells Moon that if Moon does end up having OCD, at least now he'll know and be aware of what to do about it. Mr. Golovkin reunites with Ms. Anderson, and Moon feels more confident engaging with Quinn, while relaxing on some of his orderliness compulsions.