Faced with the increasing dangers of Philip's machine, the team are pitted against their darkest challenge yet as Matt's prediction appears to be true.
Matt has a realization about the mission; the team struggles to keep up with demand; Philip escapes Connor's custody.
Philip and Connor secretly open an anomaly within the ARC, only to be invaded by a mass of scurrying future-beetles, which forces the base into lockdown.
Following a displaced raptor through an anomaly, Matt ends up in Victorian London. Realizing the raptor is to blame for several gruesome murders in the area, he tracks it down.
The ARC team are called after a nuclear submarine encounters an anomaly and a Liopleurodon in the sea.
A vicious underground creature brings chaos to the city, and the team must race against time to track its movements and prevent it from causing more damage.
When a Terrorbird appears during an incursion, the team are faced with an anomaly that they cannot lock. Danny returns with a warning. Ethan takes revenge.
The team stumble across the wedding of ex-ARC member Jenny Lewis at a a stately home where they are investigating an anomaly.
Connor and Abby uncover the existence of a supposedly mythical Labyrinthodont in a small coastal town. While trying to track it down, they come across a group of farmers smuggling dangerous fuel.
Chaos breaks out at a school's Saturday detention when a teacher is killed and the pupils start to run riot - unaware that a deadly Therocephalian is stalking the corridors looking for its next meal.
Matt inadvertently brings back one of a mysterious group which comes through an anomaly followed by deadly tree creatures.
After looking up his old university friend Duncan, Connor is surprised to find that he is obsessed with creature sightings.
After finding a lost anomaly device in a raptor's bower Abby and Connor finally escape back to their own time.
The team embarks on a harrowing journey through time and is forced to battle future predators, raptors and pteraraurs along the way.
The team faces a herd of prehistoric rhinoceros-like beasts; Danny arrives with a mysterious woman from the future.
The team enters a future world filled with predators while trying to rescue Abby's brother from a giant carnivorous insect.
The team are faced with a Cretaceous-era dinosaur and also a deranged medieval knight who believes he is chasing a dragon.
The team face the vicious `terror birds' with nothing but their ingenuity and their bare hands to help them survive.
A flesh-eating fungus that turns its victims into human shells proves to be a most dangerous adversary to the team.
The vicious giganotosaurus must be dealt with by the team without too much information leaking out to the press.
Some cute burrowing creatures nearly cause a disaster at the hospital; Helen and her army of Cleaner Replicas attack the ARC.
The team investigate what looks like a haunted house, and discover a terrifying creature that can camouflage itself to any background.
A terrifying creature that resembles an Egyptian god emerges from an open anomaly in the British Museum.
Leek releases a Silurian scorpion at a busy beach after having trapped the rest of the team in his bunker.
The team is faced with capturing a giant Columbian mammoth which has emerged through an anomaly and is causing a rampage on a busy highway.
When an anomaly closes with Cutter and Stephen on the other side, they must brave the heat and sand-dwelling crabs to discover another way back home.
The team frantically searches for Abby after one of the new creatures from the future stalking the underground drains snatches her.
The team is caught off guard when they see a saber-tooth cat roaming around a theme park and a man is able to snap pictures of it and post them on the internet.
Jenny Lewis, who Cutter notices is a perfect replica of the recently vanished Claudia Brown, joins the fight against a horde of giant carnivorous worms.
Cutter grapples with Claudia Brown's disappearance while trying to capture a ferocious Jurassic-era Utahraptor.
Helen claims a predator from the future is behind disappearances and she joins her estranged husband to stop further attacks.
A golfer is brutally attacked and Cutter and his team fear that an aerial predator is at large. The pressure is on to find the perpetrator.
Helen Cutter uses the opening of a new anomaly to escape from custody at the Home Office, leaving in her wake a flock of dodos that carry a deadly parasite.
Professor Cutter searches for an anomaly in icy waters but it may lead him to his wife.
The team battles a deadly giant centipede from the Late Carboniferous period.
Professor Nick Cutter comes face to face with a creature believed to have been extinct for 200 million years.