In the not-too-distant future, we have solved all the world’s problems, mitigated climate change, eradicated poverty, and achieved true trans-species equality. There’s just one catch… humans have to end life…

Chaos reigns at the natural history museum when night watchman Larry Daley accidentally stirs up an ancient curse, awakening Attila the Hun, an army of gladiators, a Tyrannosaurus rex and…