Nick hears of a time portal from his grandpa and decides to wait for the exact day it will open and goes back in time to the dinosaurs. He picks up an egg and decides to bring it home.
Event 3 Nick must try to capture the baby before he destroys Detroit. Nick learns that the t-Rex likes cheesburgers. Summer buys cheeseburgers to lure the t-Rex into a trap.
Event 4 Just as nick and summer are about to lure the baby back through the window, his mom and dad come through searching for their baby. Nick and summer have to get lots more cheeseburgers to get all three back through the window before Detroit is completely destroyed.
Theme The theme of dinosaurs destroy Detroit is that if you don't think before you do something bad things will happen. Nick brings an egg through time and it hatches and roams the city. Buildings are knocked down. Bigger dinosaurs enter the present and do more damage.