A tiger is loose in the Big Apple, and the Quest team must track it down, through subway tunnels, located underground.

In a father-son bonding trip in Devon, Benton and Jonny head to the big pond to fish but on the way, they come across an idyllic little village that's just a little too peaceful.

Jeremiah Surd taps into and gains control of the cetacean communications internet, prodding cetaceans worldwide into savage attacks; the Quest team enlists the help of Captain Havell to stop his plan.

On an archaeological expedition in Borneo, the Quest team run into a giant creature, reputed to savagely attack from all directions at the same time.

Jonny, Jessie and Hadji track an elephant, Ndovu, as it returns to the elephants' graveyard. They bump into poachers on the way there, who are determined to kill Ndovu right away.

Alice Starseer returns to Earth to lay her grandfather to rest. But Jeremiah Surd is determined to find out what she's learned.

Journeying to the Czech Republic to translate an artefact, which holds the key to controlling a Golen, the Quest Team bump into an ex-KGB operative who's determined to reactivate the Golem to overthrow the government.

The Quest team follows Estella Scheele to find her missing ornithologist grandfather, and ends up finding the lost golden city of El Dorado.

A century ago, the cargo ship Mary Celeste sank under mysterious circumstances. While on an expedition to find the Mary Celeste's remains, Dr Quest discovers what look like crop circles at the bottom of the Sargasso Sea--and a graveyard of ships in an area barren of marine life.

A werewolf attack in the Yukon brings a Quest team investigation to the home of a humanitarian doctor; the light of the moon illuminates both danger and mystery as the hunt begins.

The Quest team believes that the Canadian legend - Bigfoot is roaming in the Quest compound stealing electronic devices. They try to find out what is going on as hunters bag themselves an exotic trophy.

The Quest Team enjoy a trip to the Indian Ocean to discover if there are really sea monsters roaming the seas, leading to multiple mysterious ship disappearances in the Seychelles.

Extraterrestrial transmissions turn out to be warnings to stop a series of space experiments, and the Vice President turns out to be an alien.

Dr. Quest, Jonny and Hadji head to New Jersey to investigate the Jersey Devil. Then they run into a two-hundred-year-old feud between descendants of the Redcoats and the Minutemen over the original copy of the Declaration of Independence.

Jonny and Hadji discovers a nearby biodome experiment is really a cover for a plant making uranium casted weapons when they visited Jonny's Grandpa, Doug Wildey on his ranch.

After the death of Dr. Zin, his two daughters are determined to carry on the Zin dynasty by destroying all the members of the Quest Team.

The Quest team employs QuestWorld to try and revive Race, who has been rendered comatose in a rodeo accident caused by Jeremiah Surd -- who in turn exploits the opportunity to attack Race at his most vulnerable.

While touring Bangalore, Jonny, Jessie and Hadji find a rare falcon, reputedly from a hidden realm that appears once every 500 years - a realm whose river's water is said to bestow immortality. A beautiful ornithologist is also very interested in the bird; but is she who she says she is?

When Ezekiel Rage hijacks a space shuttle commanded by Dr. Quest and Hadji, Jonny and Jessie must stop Rage's minions who have taken over Mission Control.

While trying to reach Northern Siberia to backup the Quest Team, her plane crashes and she discovers a colony of ancient Russians underground.

The Quest Team discovers that criminals were using Alligators to break into a drilling factory in the Florida Everglades when they were investigating the case using an ornate Viking Sword that the Alligators left behind.

During a simulation to test out a military installation's defences, a bio-computer is out of control.

Ezekiel Rage steals a compact nuclear device and plans to blow up the polar ice caps. The Aurora Borealis holds the key to stopping him.

The nefarious Dr. Zin subverts a satellite designed by Benton Quest and uses it to hold the world for ransom.

The Quest Team help a scientist harvest life-giving sap from trees that are being threatened by a logging operation in Cameroon.