In a mixing bowl, add the ground beef, spaghetti sauce, and seasoning and mix well.
In the crockpot, add a thin layer of meat sauce.
Add a layer of ravioli making sure they don't overlap.
Add a layer of both cheeses.
Repeat the process of layering making sure there is enough sauce and cheese to cover the top.
Cook on high for 2-3 hours or low 5-6 hours.
Serve when ready.