15 Plot Holes In The 'Jurassic Park' Franchise That Spared No Expense

List Rules

Vote up the most frustrating plot holes in Jurassic Park.

The Jurassic Park film franchise has been bringing dinosaurs back from extinction since the early '90s. Between some of the science involved, some questionable decisions made, and a seemingly unlimited supply of islands, fans have a T-Rex worth of bones to pick. Whether you're a fan that notices every little detail or you're just along for the ride (careful the doors don't lock), this list has something for everyone.

As Ian Malcolm says in Jurassic Park, “Life, uh, finds a way,” and it seems that fans, uh, like to point out plot holes. Vote up your favorites!

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  • 1
    687 VOTES

    Spinosaurus Can Break A Huge Reinforced Fence, But Not A Door?

    Spinosaurus Can Break A Huge Reinforced Fence, But Not A Door?
    Photo: Jurassic Park III / Universal Pictures

    From a former Redditor:

    When Doctor Grant and the group are at the gate the Spinosaurus can break through the huge fence. Yet when they run into that building and close the doors it can't break through the doors.

    From a former Redditor:

    There are a lot of plot holes in this movie. Like, the fact the the Spinosaurus is aquatic and would've had nowhere near the speed it does on land.

  • 2
    1,043 VOTES

    Who Killed The Crew Of The S.S. 'Venture' If The T-Rex Was Secured?

    Who Killed The Crew Of The S.S. 'Venture' If The T-Rex Was Secured?
    Photo: The Lost World: Jurassic Park / Universal Pictures

    From Redditor u/SpocktorWho83:

    As far as I’m aware, the original script had the crew attacked by stowaway Raptors, but it was cut. Now we’re left with the completely nonsensical reason of ‘they’re just dead’ as it’s evident that there are no Raptors on board. Could they have jumped overboard? Possibly. But why? Also, the ship has already reached its destination, so the deaths must have occurred on the final leg of the journey.

    It can’t be the juvenile T-rex as this was shipped ahead of time and is already being held at Jurassic Park: San Diego. It could be argued that the adult T-rex killed the crew, but it’s still secured in the ship’s hold. It could be possible that the adult T-rex escaped the hold mid-voyage, went on a rampage and then was secured back in the hull, but that raises the question of: where are the surviving crew members and why did none of them radio for assistance?

    I think we can simply put it down to Spielberg shrugging his shoulders with a ‘the audience won’t notice’ attitude.

  • 3
    941 VOTES

    How Deep Is The T-Rex Enclosure?

    How Deep Is The T-Rex Enclosure?
    Photo: Jurassic Park / Universal Pictures

    From Redditor u/Leghamm:

    Take yourself back to the T-Rex encounter. The goat becomes the prey inside of a seemingly jungle type enclosure, easily at the same ground level as the cars watching from the sidelines. Fast forward to the T-Rex attack, Dr. Grant is protecting Lex from the T-Rex as the car spins around. They are pushed to the fence line and have no choice but to jump down. A 50 foot jump by the looks of it.

    After watching the scene back closely, there is absolutely no way in hell there is a moat wide enough to warrant what happens in the upcoming events. The T-Rex is literally pulling at the fence and can be seen walking out of it just meters away from the fence. The incline? no. From the goat's position, it just doesn't seem feasible.

  • 4
    667 VOTES

    How Were They Able To Clone Plants?

    How Were They Able To Clone Plants?
    Photo: Jurassic Park / Universal Pictures

    From Redditor u/crm115:

    This little one has bothered me for a while. In the famous scene where Alan and Ellie see their first dinosaur, Ellie is entranced by a leaf and says, ‘Alan, this species of veriforman has been extinct since the cretaceous period.’ If cloning dinosaurs was dependent on mosquitos sucking blood and getting trapped in amber, how did they clone a plant?

    From Redditor u/DaveDangers:

    Screw plants, how did they clone the mosasaur? No mosquitoes in the damn ocean, John!

  • 5
    614 VOTES

    How Would The Gyroscopes Work As An Attraction?

    How Would The Gyroscopes Work As An Attraction?
    Photo: Jurassic World / Universal Pictures

    From Redditor u/heigh_ho:

    Originally I thought that the gyroscope was on some kind of track but when the older boy started to drive it it didn't really make sense. Things got even more illogical when the boys went off the main track in the gyroscope. Why would this massive theme park that has had security breaches twice in the past month operate a ride where guests are able to control where their cart goes without the theme park being able to control it?

    From Redditor u/trenchcoatangel:

    I was wondering about the length of the ride. If you are allowed to roam unsupervised with no time limit, can you just hang out for hours while the people in line wait...?

    From Redditor u/MisterTanuki:

    He also couldn't move it when it was upside down and I feel like it would have still been able to accelerate. Anyway, I think the bigger question is why the government keeps granting them permission to open these parks after there have already been 3 massive catastrophes.

  • 6
    613 VOTES

    How Could The Kids Start The Jeep?

    How Could The Kids Start The Jeep?
    Photo: Jurassic World / Universal Pictures

    From a former Redditor:

    A battery would most definitely be dead after 20 years, tires rotting, and the salt in the air would have rotted so many things away on the Jeep. The Jeep would have never even been able to turn over.

    From Redditor u/walters1992:

    ​​Unless they get fresh fuel it isn't going to start. Fuel only lasts about 3-4 months, It wouldn't combust.