Randall admires the markers left in the sand, saying "Clever Girls." This is a nod to Jurassic Park.
Struggle for Existence
Reggie says, "Before it stinks up the whole island." This is a nod to Jaws.
Beasts of Prey
While stuck in the overseers' dome room, Randall says repeatedly, "Is there food?" This is a nod to Day of the Dead.
A bird knocks against the rocks while the group attempts to enter the Cheyenne Mountain Complex through a secret entrance. This is a nod to The Hobbit.