Is the legend of the Kraken, a tentacled beast as large as a whale, based on myth or a real creature? Take an expedition to the Sea of Cortez, Mexico where fishermen regularly claim to encounter large schools of giant squid. Watch as squid expert Scott Cassel uses lures with built-in cameras in an attempt to video a Kraken-sized squid 1,000 feet below the ocean. What Cassel and his team discover will make history.

Recently, American soldiers in Iraq were photographed with a 3 foot long arachnid. In Peru there is rumors of spiders large enough to attack and kill chickens. A MonsterQuest expedition is sent to South America in search of these creepy crawlers that so many fear.

Does Canada have its own Bigfoot? Owners of a fly-in fishing cabin report attacks by an unknown creature. Can DNA tests on blood and tissue from the alleged beast reveal its true identity? The test results will surprise you. The best evidence available will be examined, from pictures and video, to hair and bones. Scientists will be brought in to tell viewers what the evidence reveals. Discover the truth behind these beasts and take a scientific look at legendary creatures around the world.

Does a giant prehistoric creature lurk in Lake Champlain? The locals nicknamed it Champ. Generations of eyewitnesses rumor to have seen the creature, a dinosaur-like animal, 15-25 feet long most resembling the extinct plesiosaur. Examine the mystery surrounding Lake Champlain as specially designed cameras search for the monster. Existing photographic evidence will also be put to the test.

Fossils of giant rats have been discovered by archaeologists, but are they returning? Follow along as Monsterquest examines reports that these large creatures are inhabiting modern sewers and that some are man-eaters.

Between 1979 and 1983 over 200 livestock were torn apart on the moors of England. Despite the efforts of armed marines, no predator was ever found and the attacks continue to this day. Eyewitnesses allege that a strange "black beast" is the culprit, but new video evidence could have answers to the mystery.

Native American history is full of "Hairy Man" stories and cave art that date back over a thousand years. Did Native Americans know the truth behind the Bigfoot legend? An expedition along the Klamath River into reservation land will use state of the art technology to search for something locals don't doubt is real. With unprecedented access to Native American stories and recent sightings, MonsterQuest examines this creature that is both feared and revered.

Bigfoot has been sighted in Washington State more than any other place on earth. Join an all-female expedition as they try to lure a Bigfoot within range of their cameras. The 1967 Patterson footage will be reexamined using digital microscopes that could reveal details that might prove if the beast is real or a hoax.

Investigating reports of huge, man-eating snakes 50 feet or more in length in Venezuela. Also pet pythons that escape, multiply and grow huge in the Florida Everglades.

Mans best friend is many times our last line of defense. But something strange is killing Fido. In 2006, a rash of pets were killed in Maine and Minnesota by a beast locals describe as a mutant. But there are more than just stories, a creature was hit by a car and the body was found. This strange looking creature will be DNA tested to see what it really is. And two MonsterQuest winter expeditions will be launched to trap other dog killers still at large.

Investigation of the Chupacabra, or "goat sucker". A mysterious bipedal, blood-draining creature said to be responsible for a rash of unexplained animal killings in Puerto Rico and Texas.

The Sea of Cortez holds a monster of gigantic proportions. Video evidence of what appeared to be a huge squid, 1000 feet under the ocean's surface, was captured in 2006 by a Monster Quest expedition team. The footage is less than 2 seconds long, and difficult to analyze, but some experts believed the squid was up to 100 feet long. Now, MonsterQuest returns to the area with improved technology to find proof of this legendary sea beast.

Investigation into the 2007 Bolivia, North Carolina reports of strange attacks on livestock and pets by a creature that feeds on blood.

Most people agree that vampires are fictional creatures, but throughout history and even today, there have been cases of people who thirst for blood. These "real vampires" believe that in order to survive, they must feed on the life-force of others. In this episode, we investigate these living vampires to find out if there is a physical reason behind their cravings. Can science separate the fact from the fiction surrounding these "creatures of the night"?

Are big bears are getting more assertive and aggressive? In pre-historic times, giant bears weighed up to a ton and stalked early man. Listen as witnesses describe horrific bear attacks and take a look at unusual bear remains. The team journeys from Alaska to New Jersey to learn about bear activity and if hybridization or the next step in bear evolution could produce another crop of giant bears?

Investigation into the adaptability of giant pythons in Florida as their habitat spreads into heavily populated areas such as Miami.

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Attacks by mountain lions make headlines across the U.S. But some people say they are seeing something else...large black cats. From Texas to Minnesota to West Virginia, MonsterQuest will follow the eyewitness accounts and physical evidence of these demon cats. Pictures and law enforcement encounters prove a big black cat is out there but what is it? While they resemble a mountain lion, there is no such thing as a black mountain lion. Bones from a carcass, eyewitnesses claim was a huge black cat, will be put to the DNA test.

More than 50 years ago, South American scientists attempted to cross-breed bees that would produce more honey than ever before possible. But instead, they created a monster. Today, these giant bees are on the loose, spreading northward and invading US cities. MonsterQuest examines how these killer bees attack with an unseen ferocity and discovers that the bees may be adapting to colder temperatures, making them an even greater threat.

The vast swamps of Louisiana and Florida hide many animals...including a beast locals call The Swamp Creature. At 7 ft tall, with red hair, and a rotten egg smell this beast has been nicknamed The Skunk Ape. For the first time, bloodhounds will be used to track the elusive creature. And sexual ape pheromone chips will be used to guide the bloodhounds to their prey.

This episode was a rebranding of a previous history channel program, it tells the story of Giganto.

Take a journey to the Far East, to the remote Chinese province of Hubai to discover what locals have dubbed the "Wild-Man." Witnesses have reported seeing a creature that is covered in reddish-brown hair, walks on two legs and is anywhere from five to seven-feet tall. Chinese authorities have collected over one hundred samples of unidentified hairs from the alleged monster and claim that it is just a matter of time before they capture this "Wild-Man." Join an international team of experts in a search for answers.

Investigation into the supposed existence of ghosts at the famous Lizzie Borden axe-murder house in Massachusetts.

An investigation into the foothills of North Western Kentucky to search for a Bigfoot-like creature that is said to make terrifying, wild screams. A tooth, photographic and audio evidence come to light, and investigators venture into the remote wilderness in an attempt to identify the source of these mysterious sounds.

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