Heat olive oil in large pan over medium-hight heat. Add in ground turkey, garlic, salt, pepper, and red pepper flakes. Mix well, breaking turkey with a wooden spoon. Add marinara sauce and stir until fully incorporated. Reduce heat to low, cover, and simmer for about 8 minutes. Remove from heat and cool.
Preheat oven to 350°F. Grease 9x12 in. baking dish.
Line bottom of baking dish with one third of uncooked ravioli. Layer with one-half of turkey mixture, 4 oz. of mozzarella cheese, and 8 oz. Alfredo Sauce. Repeat layer one more time. Add remaining third of ravioli on top. Top evenly with 4 oz. Alfredo Sauce and Parmesan Cheese.
Cover dish with foil. Bake for 40 minutes. Let stand for 8-10 mins. before serving.