Um velho inimigo vira vítima da sua própria arma. Um gás que ameaça vazar de seu laboratório e destruir outras pessoas.

A equipe sai em busca de um homem desaparecido e se depara com a cidade perdida de El Dorado.

Os Quest buscam uma maneira de impedir uma seita apocalíptica de destruir o mundo.

A equipe protege um elefante de violentos caçadores.

Jonny e os outros procuram um tigre que vagueia por Manhattan, mas um repórter de um tablóide de televisão está logo atrás deles.

Jonny e Jessie devem se passar por seus pais no Mundo de Quest, mas Jeremiah Surd ataca o complexo Quest e a mente de Hadji.

Os Quest interferem nos planos de um agente do governo que deseja vingar a morte de sua família.

Transmissões vindas do espaço contêm alertas para que experimentos espaciais sejam bloqueados.

A equipe investiga uma estátua de quartzo e um mistério no Novo México envolvendo um Homem de Preto.

A lendária Pedra Filosofal é recuperada pelos Quest, mas acaba sendo perdida de novo.

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.

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.

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.

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.

A missing link is found in an alien spaceship that landed on Easter Island. But when Dr. Quest and Race enter Questworld to investigate what they've found, they run into Jeremiah Surd - who wants to experiment with human de-evolution.

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.

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 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.

Race has to cross an obstacle course where he set the record for Special Forces recruits -- but there've been some modifications since he was last there.

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.

A seaquake releases a horde of murderous amphibians on a nearly-completed underwater research facility.

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

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

En route to Nova Scotia in the newly christened Questor II, Jonny, Jessie and Hadji come upon a fog-enveloped island with a tragic history.

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.

Air Force One vanishes with the president within it, and all the evidence points to Benton Quest and Race Bannon. Jonny, Jessie and Hadji must elude government agents to prove their fathers' innocence by finding the real culprit.

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.

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?

General Vostok returns with the weapon that defeated Napoleon and he wants Benton to make it bigger and more powerful.

Dr. Zin launches the ultimate plan to defeat the Quests.