Missing people could be the work of a new creature that arrived via a rift in time from the future.

Connor's carelessness reveals Rex's presence, and an aerial anomaly releases a new danger thirsty for blood.

When a flock of comical-looking dodos appear through the anomaly, no one realizes that they have brought with them a dangerous parasite.

An ancient sea monster attacks two lifeguards in a municipal swimming pool while a mother makes a terrifying discovery when her utility room starts to flood.

Mammoth spiders attack the London Underground, but in the darkness of the tunnels lies something more sinister still.

Prehistoric creatures burst through a rip in time and our team find themselves running for their lives from the hungry jaws of a flesh-eating Gorgonopsid.