* AlternateCharacterInterpretation: Helen Cutter: Incredible JerkAss and NietzscheWannabe, or WellIntentionedExtremist who [[GoMadFromTheRevelation went mad from the revelation]] that humanity wipes itself out and is caught in a nihilist HeroicBSOD?
* AwesomeMusic: Let's see...
** The opening theme, a fast-paced orchestral piece complete with [[MeaningfulName primeval]] screams and echoes. Here's [[http://www.youtube.com/watch?v=NeAGulu6ifk the extended version]].
** Nick and Stephen playing tag with a raptor on motorbikes to the tune of ''Ready to Go'' by Republica.
** More: the sad "[[http://www.youtube.com/watch?v=8ymjRDkaYD4 Into the Late Permian]]", "[[http://www.youtube.com/watch?v=jvtmIC1I7Pc The Mystery of the Anomalies]]" and the chilling "[[http://www.youtube.com/watch?v=KKepBSP0Mt8 Infected]]". Then there's the music during the [[http://www.youtube.com/watch?v=aT9e2xhu6as Series 4 cliffhanger]] (spoiler alert), and a theme for the [[http://www.youtube.com/watch?v=1rztCqy4JcI future predators]].
* BrokenBase: The fandom never ''can'' agree where the show supposedly had a case of GrowingTheBeard or SeasonalRot.
* CoolVsAwesome: Brits vs Dinosaurs!
* CrowningMomentOfAwesome: A lot. A fan favourite is when Lester [[spoiler: fights a Future Predator and kills it with the help of a mammoth.]]
** Matt's [[spoiler: face off with a T-rex on the back of a truck.]] is probably the best from s4&5.
* CrowningMomentOfFunny: Oh, ''so'' many.
* CrowningMomentOfHeartWarming: [[spoiler: When Connor and Abby are trapped up a tree in the Cretaceous]]
* DamselScrappy: [[TeamPet Rex]]. Especially after Series 3. If he wasn't getting himself into trouble, he was ''causing'' trouble.
* EnsembleDarkhorse: Lester.
** The Future Predators, at least to start.
* EvilIsSexy: Helen.
* FandomRivalry / FriendlyFandoms: With ''DoctorWho''. At first, there was some unease over the fact that the show was basically created to ride on that show's popularity, but it dissipated when people came to realize that ''Primeval'' was actually quite different, and told a respectable story of its own. Many people like both now.
* {{Fanon}}: A surprising number of people believe that Jess is either Lester's daughter or his niece.
* FoeYay
** Helen lives and breathes this trope
** The relationship between Lester and Christine Johnson. [[RealLifeRelative They used to be married in real life]].
* GermansLoveDavidHasselhoff: The show is much, ''much'' better known in America than in its native Britain.
* HellIsThatNoise - In the series 1 finale, the team carry an oscilloscope which can detect the high frequency calls made by the bat-like future predators. Whenever it starts to bleep, you ''know'' you're in trouble!
* HoYay: Nick and Stephen are pretty well suited for this. Especially given that Stephen's fairly quiet and has known Cutter for roundabout 10 years and thus has an interesting tendency to communicate with him via long, meaningful gazes.
** Connor and Stephen in 1.3, lampshaded by the latter. In fact, Connor was just asking if Stephen really had a girlfriend, because he had a crush on Abby (who was interested in Stephen), but it ends up sounding like [[MistakenForGay something else]].
* InferredHolocaust: The show has been incredibly consistent in its portrayal of TimeTravel, and {{Stable Time Loop}}s being the result of any action. This means that unless there is some major [[AssPull Asspulling]], humanity is screwed and we are all going to get eaten by giant bats and mantids in the next hundred years or so. Well, they managed to change the present (by accident), so the future shouldn't be off-limits... a Meta-Stable Time Loop is more consistent with.
* MoralEventHorizon: For Helen, her MEH is either when [[spoiler:she kills Nick, after he ''came back to rescue her'' from a burning building or when she kills Christine which shows that while she's usually willing to murder many for her means before, but this was arguably the one point she clearly favored sadistic torture over just getting the job done quick, or her plan to wipe out humanity before it even starts]]
* MostAnnoyingSound: If I hear that Wilhelm scream one more fucking time...
** Thankfully, this sound effect was eradicated from the show after Series 2.
* {{Narm}}: In the last episode, Matt says "Nothing can survive out there, except for those ugly freaks".
** Matt's knife fight with the Treecreeper in the Cretaceous was also pretty silly. Could be NarmCharm if you find the scene awesome.
** Hearing Nick Cutter shout can rub off as this, if only because we're so used to him being quiet and brooding.
* NightmareFuel: Any and all appearances of the future predators. They've done a very good job of avoiding VillainDecay, despite the fact that they're clearly not impossible to kill.
** The dodo parasite from 1.4. For that matter, the fungus creature from 3.5.
** The Mer creatures, particularly their angelic singing. Cutter speculates them to be the descendants of humans.
** Pretty much any creature qualifies for either this or regular NightmareFuel for someone.
** Helen Cutter.
* SeasonalRot: Season 3 is generally considered by fans to be the worst-written of the series, particularly the last three episodes. But most of them agree that it picked itself back up with 4 and 5. Some however think the opposite, in that Series 4 and 5 are the worst.
* TheScrappy: Matt (with a side order of CreatorsPet), half an hour into the first episode of the {{Revival}} and he already is hated by some for being a smug git. Then again, his background is both false and was created specifically to appeal to the ARC recruiters, so he's ''supposed'' to seem like a CreatorsPet.
** By the end of the series he's become a much more sympathetic character. We actually feel sorry for him when [[spoiler: His future self pops up ruining his happy ending.]]
** Jack, Abby's brother. He constantly stuck his nose in his sister's business and wound up getting himself trapped in the future. Even after Connor, Becker, Danny and Abby head into the future to save him, [[ComplainingAboutRescuesTheyDontLike he just complains about how long they took]]. Eventually he realizes all the trouble he's caused and is PutOnABus.
** April. Imagine a British version of Zoe from ''{{Series/Lost}}'' who's a BitchInSheepsClothing. [[spoiler:Her KarmicDeath]] is enough to make you cheer with joy.
* SpecialEffectsFailure: The first few episodes had relatively conspicuous CG creatures, particularly the Gorgonopsid. This disappears midway through the season, though, and the special effects quickly become VisualEffectsOfAwesome.
* TastesLikeDiabetes: Episode 3.3. The MonsterOfTheWeek? A family of [[RidiculouslyCuteCritter Diictodons]]! The central conflict? A baby is being born! [[spoiler: [[MoodWhiplash But then Cutter dies]].]]
* UglyCute: The baby future critters at the end of S1.
** The gremlin in 3.2.
** The Diictodons in 3.3.
* UncannyValley: Several creatures are meant to invoke this.
** The [[OurMermaidsAreDifferent Mer]] creatures aren't too bad...until you hear them singing and wailing in this dreamy, angelic melody, identical to what you'd hear in a church.
** The Treecreepers, carnivorous dinosaurs with a humanoid muscle structure that communicate with a high-pitched chatter similar to language.
* VisualEffectsOfAwesome - The effects are by [[WalkingWithDinosaurs Impossible Pictures]] (and {{Framestore}}). This is to be expected. The anomalies, in particular, look amazing.
** Hell, the ''title sequence''. Even moreso in Seasons 4-5.
*** Seasons 4 and 5[[note]]Which replaced Framestore with acclaimed commercial effects firm TheMill[[/note]] got a bit of a visual touch-up with a more HD quality, in order to regain audience attention.
* TheWoobie: Cutter is the most well-known example, having believed that his wife was dead for 8 years before meeting her again but finding that she'd become AxCrazy. Later he tries to get over it by forming a romance with Claudia Brown, but then she [[spoiler: gets erased from history]] and he spends the whole of season 2 trying in vain to find any trace of Claudia in [[spoiler: Jenny Lewis, her double]]. And if that wasn't bad enough, he loses [[spoiler: his best friend]] and finally [[spoiler: is killed by Helen in Season 3]].
** After losing Danny, Connor, Abby and then Sarah, whilst on a mission to rescue the former three, [[SurvivorGuilt Becker]] certainly qualifies for this. He's practically in ''tears'' in the first episode of the extras on ITV's website.
** Connor and Abby after their year in the Cretaceous.
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