Yes, I did forget to remove the plastic before putting an aluminum cake pan in the oven. Yes, it did take about 10 minutes before my mother realized something was burning. Yes, the entire house filled with smoke and an atrocious odor. Yes, said odor remains half an hour later. Yes, despite our quick work to scrape off as much hot plastic as possible, there is a rather large thin circle of residue on the bottom of the oven. Yes, Christmas dinner is to be cooked in 36 hours.
Happy Holidays from my family to yours!