Still reeling from the shock of seeing Brooklynn, Darius and the gang encounter a familiar face who may offer answers — or put the group in more danger.

It's time to pick a side. Brooklynn turns to old friends to help take Santos down. Meanwhile, a roadblock puts some of the others in serious danger.

While Ben, Darius and Yaz wait for backup, Sammy, Kenji and Gia follow a trail of feathers back toward town. Brooklynn makes an unusual alliance.

Split up and battling separate dangers, the Nublar Six rush to complete their mission and set things right. The trickiest part? Staying alive.

Dinosaur chaos hits the streets of Malta, sending everyone into survival mode. In the end, a deadly standoff has fateful consequences.