Temp and battery lights come on and car won't start.

Does the oil look milky at all. I'm not sure by your post but if it overheated, you run the risk of warping the heads and causing the coolant to leak into the cylinders and oil passages. Have you pulled any of the spark plugs? You should get a flashlight and look inside as many cylinders as possible through the spark plug hole to see if there is any coolant in the cylinders.