These are what we call the 'YMMV items.' Things that some people find in this work. We call them 'your mileage might vary' because not everyone sees these things in the same way. This starts discussions in the trope lists, a thing we don't want. Please use the discussion page if you'd like to discuss any of these items.
YMMV: We're Back! A Dinosaur's Story
Acceptable Lifestyle Targets: Never mind that Screweyes' circus is visually spectacular. The people who would go to see it are repeatedly branded as freaks, jerks, and "weirdos", and Cecilia even says outright that there's something wrong with them.
Rex's sudden musical number in the middle of the parade that somehow everyone knows the words to, is a particularly heavy one.
Creepy Awesome: Screweyes keeps crows around and commands them in order to master his fear of them. Whoa, bravery test worthy of Batman.
Idiot Plot: Seriously, think about it. A scientist from the future goes back in time and collects dinosaurs, force evolves their brains so they're just smart enough to be able to speak and reason on a fourth grade level (except poor Dweeb, who's basically left functionally disabled), brings them to modern day New York and then just drops them off in the city with very vague instructions of finding a fellow scientist without any training or understanding of how modern life functions. The entire city mistakes them for balloons, until one girl points out they're not, just because they happen to be marching with the Thanksgiving Day parade, never mind the fact that they are dancing and singing. Then a good chunk of the plot revolves around the dinos stumbling into trouble, being chased by the authorities and then trying to rescue two kids who stupidly signed a contract with an obviously creepy old man. The time traveler comes back to save everything, but after all the madness has happened, not before. If anybody in the movie put more than three seconds of thought into their actions, it would be a pretty short story.
The entire conflict with Screweyes is kicked off by Louie walking into the circus after hours, asking to join, being turned away, ignoring Cecilia's suggestions that they leave, and pestering Screweyes until he relents.
Narm: "Let no bad happen!" and Louie's speech about guys who ruin the way the world should be.
The conclusion of Louie and Cecilia's romance storyline goes from cute to utterly creepy as Cecelia basically demands a kiss from Louie. Nobody ever needs to hear Lisa Simpson trying to be flirtatious. Ever.
Narm Charm: Louie's aforementioned speech, for pairing utter earnestness with words like "stiffs" and "yahoos."
Nightmare Fuel: Dr. Screweye's death Part of the reason it's one of the creepiest things in the movie is that it's left rather vague as to what actually happens to him. The crows land on him but don't move afterward until they fly away, leaving only the possessed screw. It doesn't seem like they eat him (again, no movement from the crows, and Screweyes vanishes flesh, bone, clothing and all) but it's obvious that the crows are, somehow, responsible for his vanishing. The scene can leave you suspicious of crows for some time, that's for sure.
And shortly after, the screw glows ominously and emits a strange mist...and the last crow just blows the mist off and carries the screw away.
A deleted scene gaves us delightful information about Screweyes; as a kid, a crow pecked his eye out, which is why he has his metal eye now (which is really just a screw thrust into his socket). He's now a cynic who believes that the world makes no sense and acts accordingly, scaring other people; he also admits that he is, understandably, afraid of crows, and keeps them for company as means to master his fear. One has to wonder about the state of his mind.
Romantic Plot Tumor: The whole romance thing with Louie and Cecilia. Which doesn't really go anywhere.