The WORST episodes of Primeval

Every episode of Primeval ever, ranked from worst to best by thousands of votes from fans of the show. The worst episodes of Primeval!

Anomalies are showing up all over England allowing dinosaurs to move through them and into the present time. The team at the ARC (Anomaly Research Center) must protect the public while struggling to determine the cause of the anomalies and close them for good.

Last Updated: 8/29/2024Network: ITV1Status: Ended
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Medical Mayhem
star
6.96
798 votes

#1 - Medical Mayhem

Season 3 - Episode 3 - Aired 4/11/2009

An anomaly opens in a London hospital, causing several Diictodon to come through which cause havoc in the building. Cutter, Abby, Connor and Becker arrive to investigate as does journalist Mick Harper, who wants evidence of the creatures.

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A Gigantic Problem
star
7.16
655 votes

#2 - A Gigantic Problem

Season 3 - Episode 4 - Aired 4/18/2009

A Giganotosaurus appears at an airport and the teams leadership is put to the test.

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Leapin' Lizards
star
7.20
1007 votes

#3 - Leapin' Lizards

Season 1 - Episode 1 - Aired 2/10/2007

Professor Nick Cutter is investigating the sighting of a dinosaur, apparently. A species which has been extinct for 200 million years. With his team, they travel to the region where it was sighted to explain how it appeared. However, as they investigate the dinosaur, a weird creature seemed to be killing anything on its path.

Directors: Cilla Ware
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Helen Makes Contact
star
7.21
806 votes

#4 - Helen Makes Contact

Season 1 - Episode 3 - Aired 2/24/2007

Swimming pools, inner-city reservoirs, and flooded cellars in suburban homes are being overtaken with prehistoric reptiles, which have all come through the space-time anomalies. The gang go to investigate, but Nick is more concerned with finding his wife.

Directors: Cilla Ware
Watch Now:AmazonApple TV
Underground Infestation
star
7.22
857 votes

#5 - Underground Infestation

Season 1 - Episode 2 - Aired 2/17/2007

In the London Underground, a cleaner is fatally bitten by a gigantic spider, and Nick Cutter's team investigate. In their search, they come across a maze of unused tunnels, leading to an even scarier event.

Directors: Cilla Ware
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Breakfast Club
star
7.26
904 votes

#6 - Breakfast Club

Season 4 - Episode 4 - Aired 1/15/2011

Saturday detention is thrown into disarray when a deadly Therocephalian attacks a teacher, allowing the kids to run riot. The team are soon faced with not only tracking down the creatures, but fighting against the antics of a group of terrified students. Finding a Therocephalian nest in the school canteen, Connor enlists the help of the kids to stun the creatures into submission before returning them through the anomaly.

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The Brave Bride
star
7.27
819 votes

#7 - The Brave Bride

Season 4 - Episode 6 - Aired 1/29/2011

An anomaly allows a pack of Hyaenodons to make their home in the wine cellar of a stately home, where Jenny Lewis is getting married. They eat the wedding planner. Connor, Abby and Matt subdue them after battle using medieval weaponry. Meanwhile Becker narrowly escapes a lethal boobytrap set by Ethan; and Gideon is revealed to be Matt's father and from a post-apocalyptic future, then he dies from illness.

Directors: Robert Quinn
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Crocodile Fears
star
7.28
778 votes

#8 - Crocodile Fears

Season 3 - Episode 1 - Aired 3/28/2009

Cutter and the rest of the team are still trying to come to terms with Stephen's death. A creature that looks like an Egyptian god comes through an anomaly that opens in the British Museum. Egyptologist Sarah Page and new head of Security Captain Becker attempt to find where the creature has gone.

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Oh, Brother
star
7.29
675 votes

#9 - Oh, Brother

Season 3 - Episode 8 - Aired 5/16/2009

After an anomaly opens a large insect-like creature breaks through. The team are pushed to their limits to make sure it returns home. Abby's brother ends up driving through the anomaly when he tries to find out what her job is and team try to rescue him.

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Haunted House
star
7.29
741 votes

#10 - Haunted House

Season 3 - Episode 2 - Aired 4/4/2009

Three teenage boys break into the local haunted house. A creature attacks them, and in the aftermath the only survivor is arrested for murder. 14 years later, Cutter discovers that another anomaly will occur in the same building, and the team go to investigate.

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Future Epidemic
star
7.30
703 votes

#11 - Future Epidemic

Season 3 - Episode 5 - Aired 4/25/2009

After breaking into the ARC, Danny Quinn is drafted in to help the team when a fast-growing flesh-eating fungus is transferred to the present day by a temp who in turn passes the spores onto his boss who turns into a Fungus Creature

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Ptera-ble News
star
7.31
793 votes

#12 - Ptera-ble News

Season 1 - Episode 5 - Aired 3/10/2007

A prehistoric winged reptile arrives through an aerial time rift on a golf course. Nick goes to investigate, but he ends up trapped in a house with Claudia. Elsewhere, Connor loses Rex, much to Abby's anger.

Directors: Jamie Payne
Writer: Chris Lang
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In the Good Old Days
star
7.33
1095 votes

#13 - In the Good Old Days

Season 5 - Episode 3 - Aired 6/6/2011

Following a displaced raptor through an anomaly, Matt ends up in Victorian London. Realizing its to blame for several gruesome murders in the area, he tracks it down only to find Emily attempting to do exactly the same thing. Meanwhile, back at the ARC, Abby knows she has to try and reconnect with Connor; they've been spending too much time apart. But a nasty encounter with April on the way to his lab makes her wonder if Matt is right - Connor is up to something in his lab that she isn't meant to know about.

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Lockdown
star
7.34
1101 votes

#14 - Lockdown

Season 4 - Episode 3 - Aired 1/8/2011

A mysterious group come through an anomaly in a theatre, unknowingly followed by deadly tree creatures. As they attempt to escape, Matt inadvertently brings one of the group – Emily - back against her will. She promises to help him find the creature, in return for going back through the anomaly. In a frantic chase through the city, they track the creature down, only to discover the anomaly has closed, leaving Emily stranded.

Directors: Tim Bradley
Watch Now:AmazonApple TV
Dodo Madness
star
7.35
766 votes

#15 - Dodo Madness

Season 1 - Episode 4 - Aired 3/3/2007

Nick discovers that a group of dodos are carrying a deadly ancient parasite that could have devastating consequences for the human population. Meanwhile, Helen is back in the 21st century, and being interviewed by the Home Office, although she isn't being as cooperative as they hoped.

Directors: Jamie Payne
Watch Now:AmazonApple TV
Herd Logic
star
7.36
643 votes

#16 - Herd Logic

Season 3 - Episode 9 - Aired 5/23/2009

This week the team face a huge rhinoceros-like creature and have to deal with a mysterious woman from the future named Eve (who should be very familiar to players of Primeval Evolved ). A herd of embolotherium have come through an anomaly at an off-road motor course, causing one man to have the worst stag night ever. The team arrive but these seven tonne rhinoceros-type beasts from the Eocene do not budge easily. To make matters worse Abby realises someone is trapped in a tent and for some reason one of the embolotherium seems intent of trampling it. Abby and Sarah try to rescue the trapped civilian whilst Connor tries to lure these lumbering creatures back into the anomaly through which they came without causing a stampede or being crushed in the process. Danny finally arrives, with the enigmatic Eve in tow, but is he too late to stop a stampede?

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Mealworms, Indeed
star
7.37
764 votes

#17 - Mealworms, Indeed

Season 2 - Episode 2 - Aired 1/19/2008

Bizarre shaped giant worms, some of which are large enough to consume a human are moving around in a strange fog.

Directors: Andrew Gunn
Watch Now:AmazonApple TV
For the Birds
star
7.39
770 votes

#18 - For the Birds

Season 3 - Episode 6 - Aired 5/2/2009

The team are forced to flee when the ARC is invaded by Christine Johnson and the military. As they hide out in the woods danger soon shows up.

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Dragon Tales
star
7.41
644 votes

#19 - Dragon Tales

Season 3 - Episode 7 - Aired 5/9/2009

A Cretaceous-era dinosaur is followed by a medieval knight on horseback when an anomaly opens in the middle of a car breaker's yard. The team have to try and catch the creature and deal with a crazy knight who thinks that he is a new Saint George

Watch Now:AmazonApple TV
Matt's Secret
star
7.42
1104 votes

#20 - Matt's Secret

Season 5 - Episode 1 - Aired 5/24/2011

An underground creature brings chaos to the city, forcing the team to chase around the city to track down the movements of this vicious burrowing creature. When the creature strikes for the final time, the team find one of their own in mortal danger and fight to save their life.

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Back from the Cretaceous
star
7.44
1078 votes

#21 - Back from the Cretaceous

Season 4 - Episode 1 - Aired 1/1/2011

After a year trapped in the Cretaceous period, Abby and Connor finally return to the present, followed by a giant Spinosaurus, the largest known carnivorous dinosaur. The new ARC team responds.

Watch Now:Amazon
The Submarine
star
7.45
1051 votes

#22 - The Submarine

Season 5 - Episode 2 - Aired 5/31/2011

When a nuclear submarine encounters an anomaly and Liopleurodon in the sea, the team are called aboard to help. They soon find themselves under attack and get sucked back through an anomaly, with Liopleurodons damaging the outside of the sub. The team must not only capture the panicked Eustreptospondylus aboard, but fix the sub exterior in order to get home.

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Be Inconspicuous
star
7.45
987 votes

#23 - Be Inconspicuous

Season 4 - Episode 2 - Aired 1/2/2011

Connor and an old friend track an elusive Kaprosuchus or Boar crocodile to the docks and find evidence of a fresh kill.

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Underwater Menace
star
7.47
664 votes

#24 - Underwater Menace

Season 2 - Episode 4 - Aired 2/2/2008

A group of creatures called the mer slip into the city's canal system after floodwaters pour through an anomaly to the future.

Directors: Jamie Payne
Watch Now:AmazonApple TV
Jurassic Mall
star
7.48
790 votes

#25 - Jurassic Mall

Season 2 - Episode 1 - Aired 1/12/2008

While Cutter tries to make sense of Claudia's disappearance, another anomaly appears. Raptors are running wild through a shopping centre, and the team are called in to sort out the problem.

Directors: Jamie Payne
Watch Now:AmazonApple TV