S1 E1 • Survival (1)

The Genus returns to Glen Canyon, and this time it is infesting City Hall.

Première diffusion : 15 septembre 2001

S1 E2 • Survival (2)

Ira and his team discover the amazing adaptability of the Genus as it evolves into a fully sentient being that calls itself Scopes.

Première diffusion : 22 septembre 2001

S1 E3 • Survival (3)

The Genus escapes into the city's sewer system and evolves into its third stage, erupting into the town square.

Première diffusion : 29 septembre 2001

S1 E4 • Don't Drink the Water

When Wayne accidentally washes the remains of a giant Genus amoeba into Glen Canyon's water system, the tainted water starts transforming the citizens into horrible Human-Genus hybrids.

Première diffusion : 6 octobre 2001

S1 E5 • Slick

An oil tanker infested with Genus cells runs aground near the Galapagos Islands, threatening a disaster for this birthplace of evolutionary studies.

Première diffusion : 13 octobre 2001

S1 E6 • Swarm

A rural outbreak of the Genus in wasp form doesn't look too difficult to quash, until Ira and his team discover the giant underground hive.

Première diffusion : 20 octobre 2001

S1 E7 • Fire and Ice

When a bizarre mutation of the Genus adapted to cold invades a ski resort in France, the team must work while General Woodman converses with a French associate.

Première diffusion : 8 juin 2002

S1 E8 • Meltdown

The crew has to stop Scopes and the Genus from using decomissioned nuclear subs' reactors to evolve themselves. Meanwhile, Ira and Lucy argue over things.

Première diffusion : 15 juin 2002

S1 E9 • Junkyard Dogs

While looking for repair parts for the fire truck, Wayne and Gassie stumble across a new Genus outbreak in a junkyard, and then get in trouble with General Woodman for having destroyed government property.

Première diffusion : 27 octobre 2001

S1 E10 • French Underground

After allowing a captive Genus to escape into the Paris subway system, General Woodman calls in Ira and his team for help searching the tunnels.

Première diffusion : 3 novembre 2001

S1 E11 • Runaway Strain

In experiments to create a microbe that will attack the Genus, General Woodman's scientists accidentally produce a stronger version of the Genus itself, which becomes airborne and threatens the entire facility.

Première diffusion : 10 novembre 2001

S1 E12 • Dead Wayne Cells

The most recent battle with the Genus has caused Wayne's sympathetic mutation system to accelerate, and identical clones of Wayne keep appearing.

Première diffusion : 17 novembre 2001

S1 E13 • Roman Holiday

Tracking a Genus outbreak to Rome, the gang are unable to do much sightseeing, as they must hunt down the creatures in creepy underground catacombs.

Première diffusion : 1 décembre 2001

S1 E14 • To Carthage Then I Came

Tracing a Genus outbreak to the Tunisian desert, Ira and his crew are trapped by Genus sandworms that travel through the desert sand as if it were water.

Première diffusion : 8 décembre 2001

S1 E15 • Year of the Genus

In Hong Kong, the gang races against time to track down a crate of Genus-infected fireworks before the New Year's celebration at midnight sets them all off.

Première diffusion : 9 février 2002

S1 E16 • Hot Java

Ira and his crew track the Genus to the island of Java, Indonesia, near an active volcano, where Scopes has a plan to breed lots more creatures.

Première diffusion : 16 février 2002

S1 E17 • Ira Knows Best

Is the gang ever going to get a break? The Genus has followed them on their weekend off to Ira's family's farm.

Première diffusion : 23 février 2002

S1 E18 • Itching for the Genus

With no new outbreaks, it looks like the team may have made themselves obsolete.

Première diffusion : 30 mars 2002

S1 E19 • Genus in Your Tank

Genus-infected gasoline starts causing cars in New York City to mutate into Genus monsters.

Première diffusion : 2 mars 2002

S1 E20 • Cradle Will Fall

When Wayne finally passes the test to become a real fireman, the gang must have tryouts to find replacements for him and Gassie.

Première diffusion : 9 mars 2002

S1 E21 • Head Case

After being called to an old castle in England to investigate a possible Genus outbreak, Ira and the gang find everything suspiciously normal.

Première diffusion : 16 mars 2002

S1 E22 • End Game

With assistance from some missiles, the Genus successfully blanket the world. With civilization evacuating to shelters, the Alienators try a last ditch effort..

Première diffusion : 22 juin 2002

S1 E23 • General Disorder

After General Woodman is infected by a bite from Scopes, the team must capture the creature in order to develop an antidote.

Première diffusion : 23 mars 2002

S1 E24 • REAPER: Countdown (1)

After General Woodman uncovers a plot by Gen. Granger (and his newest "partner" Scopes) it's up to Ira and the team to take the madman's plans out of commisssion.

Première diffusion : 4 mai 2002

S1 E25 • REAPER: The Ark (2)

The Alienators head off into space after an outbreak occurs on The Ark, an experimental space-station for animal research in zero-gravity.

Première diffusion : 11 mai 2002

S1 E26 • REAPER: Alpha Omega (3)

It appears the team is still needed when Scopes and Gen. Granger try to blow up the moon.

Première diffusion : 18 mai 2002