Empty entire package of Oreos in a plastic bag, seal closed, and using a rolling pin crush the Oreos into relatively small pieces.
In a cup, set aside 1 cup of crushed Oreos.
Melt 1/4 cup butter in a microwave-safe bowl, mix with crushed Oreos.
Push mixture into bottom of pan using a spatula.
Squeeze chocolate and caramel syrup over mixture.
Add as much as desired.
Using a knife, cut cardboard off vanilla ice cream and cut 1/2 gallon of ice cream into slices.
Place slices of ice cream on Oreo mixture in pan.
Be sure to cover entire bottom.
Squeeze chocolate and caramel syrup over ice cream.
Repeat layering of ice cream and chocolate and caramel syrup for a second layer.
Using the Oreos in the cup, sprinkle on top of ice cream and syrup.
Cover with lid.
Place in freezer and enjoy in approximately 2 hours.