Gogolev competed exclusively at the senior level this season. He won the inaugural Skate Ontario senior men provincial title. At 2018 Skate Canada Challenge Gogolev ranked seventh in the short program and fourth in the free skate to come fourth overall. He came eleventh in the short program and ninth in the free skate at the 2018 Canadian Championships to end up tenth overall. Gogolev competed with a quad Salchow in his short and free programs this season, and landed a quad toe for the first time in competition. Coach Orser confirmed that he is able to land all the quadruple jumps. He was a member of Skate Canada's NextGen Team this season.