All
Search
Images
Videos
Shorts
Maps
News
More
Shopping
Flights
Travel
Notebook
Report an inappropriate content
Please select one of the options below.
Not Relevant
Offensive
Adult
Child Sexual Abuse
Ancient Sea
Monsters
Biggest
Sea Dinosaur
Dinosaurs Sea
Monsters
Ancient Sea
Creatures
Dinosaur Sea
Creatures
Jurassic World
Sea Dinosaur
10 Biggest
Sea Dinosaurs
Animal Planet
Dinosaurs
Dinosaur
That Swims Underwater
History of
Dinosaurs
Jurassic Period
Elasmosaurus
Dinosaur
Biblical Monsters
Ancient
Reptiles
Jurassic World
Dinosaurs
Extinct Sea
Creatures
Ancient
Animals
Dinosaur
Creature
Dinosaur
Sounds
Giant Sea
Monster
World Biggest
Sea Dinosaur
World's Largest
Sea Dinosaur
Top 10 Biggest
Sea Dinosaurs
Dinosaurs
in Ocean
Prehistoric Sea
Mammals
Ocean
Dinosaurs
Dinosaur
Whales
Marine
Dinosaurs
Scary
Sea Dinosaurs
Prehistoric Sea
Reptiles
Length
All
Short (less than 5 minutes)
Medium (5-20 minutes)
Long (more than 20 minutes)
Date
All
Past 24 hours
Past week
Past month
Past year
Resolution
All
Lower than 360p
360p or higher
480p or higher
720p or higher
1080p or higher
Source
All
Dailymotion
Vimeo
Metacafe
Hulu
VEVO
Myspace
MTV
CBS
Fox
CNN
MSN
Price
All
Free
Paid
Clear filters
SafeSearch:
Moderate
Strict
Moderate (default)
Off
Filter
Ancient Sea
Monsters
Biggest
Sea Dinosaur
Dinosaurs Sea
Monsters
Ancient Sea
Creatures
Dinosaur Sea
Creatures
Jurassic World
Sea Dinosaur
10 Biggest
Sea Dinosaurs
Animal Planet
Dinosaurs
Dinosaur
That Swims Underwater
History of
Dinosaurs
Jurassic Period
Elasmosaurus
Dinosaur
Biblical Monsters
Ancient
Reptiles
Jurassic World
Dinosaurs
Extinct Sea
Creatures
Ancient
Animals
Dinosaur
Creature
Dinosaur
Sounds
Giant Sea
Monster
World Biggest
Sea Dinosaur
World's Largest
Sea Dinosaur
Top 10 Biggest
Sea Dinosaurs
Dinosaurs
in Ocean
Prehistoric Sea
Mammals
Ocean
Dinosaurs
Dinosaur
Whales
Marine
Dinosaurs
Scary
Sea Dinosaurs
Prehistoric Sea
Reptiles
Prehistoric Sea
Mosters
Largest
Sea Dinosaur
Scariest
Sea Dinosaur
Sea Dinosaur
Movie
Monster
Dinosaur
Prehistoric Sea
Beasts
Underwater
Dinosaurs
Sea Dinosaur
Documentary
Prehistoric
Sea Dinosaurs
Prehistoric Sea
Life
Real
Sea Dinosaurs
Types of
Sea Dinosaurs
Dinosaurs
Prehistoric Beasts
Dinosaurs in Ancient
Art
Sea Dinosaur
Prehistoric Fish
Prehistoric Sea
Animals
Giant
Sea Dinosaur
Ancient
Prehistoric Creatures
Ancient Sea
Life
Sea Dinosaurs
Movie
4:17:03
YouTube
Dinodust
Prehistoric Marine Reptiles: The Dinosaur of the Water | Full Documentary
Before humans ever appeared, the oceans were ruled by massive predators. Not dinosaurs—but marine reptiles. Creatures like Mosasaurus, Plesiosaurus, and Ichthyosaurus dominated the seas with speed, power, and precision. For millions of years, they hunted in a world more dangerous than any we know. Now, thanks to fossil discoveries and modern ...
12.2K views
Jul 3, 2025
Watch full video
Plesiosaur Fossils
0:21
Plesiosaurus
YouTube
Lost Histora
1.3K views
2 months ago
0:23
Plesiosaurus: Giant of the Prehistoric Oceans
YouTube
Mr Alexis Discoveries
2.5K views
3 months ago
0:10
Discover the Plesiosaur: The Ancient Sea Giant
TikTok
ancient.earth.pre
201.4K views
7 months ago
Top videos
1:03:57
Marine Reptiles: The Dino of the Water | Full Documentary Movie
YouTube
Stellar
586.1K views
Apr 14, 2025
0:32
3 Sea Dinosaurs More Dangerous Than Sharks | Prehistoric Ocean Predators
YouTube
FUN FACTS INSIDE
1.3K views
5 months ago
4:01
Most Dangerous Birth In Prehistoric Oceans | Walking with Dinosaurs (1999) | BBC Earth
YouTube
BBC Earth
248.2K views
Jun 4, 2025
Plesiosaur Discovery
0:29
Dino of the Day SPECIAL: Plesiosaurus – The REAL Loch Ness Monster?! 🌊
YouTube
Dino of the Day
327 views
2 months ago
0:14
The Sea Lord Thalassomedon: One of the Largest Plesiosaurs #plesiosaurus
YouTube
Fossil Crates
46.9K views
Mar 28, 2024
0:48
This 36-Foot Sea Reptile Swam Across America #Styxosaurus
YouTube
Fossil Crates
1.5K views
1 month ago
1:03:57
Marine Reptiles: The Dino of the Water | Full Documentary Movie
586.1K views
Apr 14, 2025
YouTube
Stellar
0:32
3 Sea Dinosaurs More Dangerous Than Sharks | Prehistoric Ocean Predators
1.3K views
5 months ago
YouTube
FUN FACTS INSIDE
4:01
Most Dangerous Birth In Prehistoric Oceans | Walking with Dinosaurs (1999) | BBC Earth
248.2K views
Jun 4, 2025
YouTube
BBC Earth
2:05:54
The Devonian Period: When Sea Monsters Ruled The Planet | Prehistoric Documentary
4.2K views
2 months ago
YouTube
Dinodust
20:21
Explore Giant Sea Dinosaurs | Prehistoric Ocean Adventure
619 views
2 months ago
YouTube
DinoSuper
0:41
The Giant Mosasaurs That Ruled the Ancient Oceans
640 views
1 month ago
YouTube
Before Humans
0:41
Kronosaurus: The Ancient Ocean King That Ruled the Seas 125 Million Years Ago!
11 views
2 months ago
YouTube
Dinoworld Animal
24:10
Where Did Dragons and Sea Serpents and Dinosaurs come from in all cultures What Happened to Them
7.5K views
1 week ago
YouTube
Mudfossil University
0:50
Sea Monsters (Plesiosaurs) Brought To Life! (Jurassic, Triassic & Cretaceous)
181 views
1 month ago
YouTube
InterWildlife
8:25
6 Terrifying Prehistoric Sea Creatures That Actually Existed!
773 views
1 month ago
YouTube
Beyond Origins
2:22
Elasmosaurus The Long-Necked Ocean Hunter That Ruled Ancient Seas
1.5K views
2 months ago
YouTube
Forgotten Centuries
3:23
The Tyrannosaurus Rex of the Seas | Attenborough and the Giant Sea Monster | BBC Earth
3.3M views
Dec 28, 2023
YouTube
BBC Earth
33:17
Before Dinosaurs: How Fishes Conquered the Earth 400 Million Years Ago!
14K views
1 month ago
YouTube
Prehistoria Hub
9:07
6 Most TERRIFYING Prehistoric Sea Monsters
504 views
1 month ago
YouTube
Epic Wildlife
0:25
The Prehistoric Sea That Terrified Everything | #ancient #facts
25.2K views
3 months ago
YouTube
Mind Pulse
0:24
Before dinosaurs, Trilobites ruled the sea
9.4K views
2 months ago
YouTube
Deep Time Visualised
0:31
The Sea Monster Longer Than a Train #facts #earthhistory #nature #prehistoric #wildlife #animals
2.4K views
2 months ago
YouTube
The Dark Prehistory
See more
More like this
Feedback
