3. Survival Pt. 3
The Genus has gone underground...deep underground in the sewer system of the fair city of Glen Canyon, Arizona. (Original airdate: September 29, 2001)

4. Don't Drink the Water
While saving Glen Canyon from a giant Genus amoeba, Wayne accidentally washes the Genus cells into the city's water system where they quickly spread and multiply. (Original airdate: October 6, 2001)

5. Slick
When an oil tanker laden with Genus infested petroleum runs aground near the Galapagos Islands, a disaster of epic proportions threatens humanity. (Original airdate: October 13, 2001)

6. Swarm!
When a swarm of Genus wasps overruns a rural farm, Ira and the team are sent in to deal with it. (Original airdate: October 20, 2001)

7. Fire and Ice
An outbreak in the French Alps leads to the discovery of a new kind of Genus...an ice Genus. (Original airdate: October 27, 2001)

8. Meltdown
The Genus has a new plan. (Original airdate: November 3, 2001)

9. Junkyard Dogs
After wiping out an outbreak of giant Genus bats, the fire truck needs some repairs, so Wayne takes Gassie to his favorite place in all of Glen Canyon: the junkyard. (Original airdate: November 10, 2001)

10. The French Underground
General Woodman is involved in an accident that allows the Genus to escape into Paris' underground Metro. (Original airdate: November 17, 2001)

11. Runaway Strain
In an effort to create an anti-Genus germ, General Woodman accidentally produces a stronger strain of Genus that takes to the air. (Original airdate: December 1, 2001)

12. Dead Wayne Cells
After battling a horde of rapidly-replicating Genus creatures, Wayne's sympathetic mutation system kicks in and he starts to multiply. (Original airdate: December 8, 2001)

13. Roman Holiday
When Ira and the gang track the Genus to Rome, they must leave the bustling grandeur of the city behind and travel into the bowels of the earth—hunting the purple menace through labyrinthine catacombs and getting separated along the way... (Original airdate: February 9, 2002)

14. To Carthage Then I Came
A Genus outbreak in the deserts of Tunisia has Ira and his crew fighting Genus monsters that move through the sand as if it were water. (Original airdate: February 16, 2002)

15. Year of the Genus
When the Genus travels to Hong Kong in a crate of infected fireworks, the Alienators aren't far behind. (Original airdate: February 23, 2002)

16. Hot Java
The Genus has grown in an active volcano on the island of Java, Indonesia. (Original airdate: March 2, 2002)

17. Ira Knows Best
After devolving a major outbreak in Philadelphia, the Alienators have the weekend off to relax at Ira's parent's farm. (Original airdate: March 9, 2002)

18. Itching for the Genus
When the Genus doesn't show up, it looks like our heroes have managed to devolve themselves right out of a job. (Original airdate: March 16, 2002)

19. A Genus in Your Tank
When Genus infested gas makes its way into the cars of New York City, vehicular mayhem rocks the Big Apple. (March 23, 2002)

20. Cradle Will Fall
When Wayne passes the test and finally becomes a Fireman, he and Gassie head off to join the Glen Canyon Fire Department, leaving the Alienators in need of a couple of brave, courageous, trustworthy and dependable replacements. (Original airdate: March 30, 2002)

21. Head Case
Ira and the Alienators head off to merry ol' England to investigate a "purple worm" sighting in an old castle. (Original airdate: May 4, 2002)

22. End Game
When, in his last, devolving moment, Scopes unleashes a cloud of Genus spores into the atmosphere, the Alienators must once again work fast to save the world from total Genus domination. (Original airdate: May 11, 2002)

23. General Disorder
When General Woodman receives an infected bite from Scopes, Ira and the others must hunt the head of the Genus down in order to create the life-saving anti-venom. (Original airdate: May 18, 2002)

24. Reaper 1: Countdown
General Woodman discovers a plot by General Granger to launch a military payload of Genus into space. (Original airdate: May 18, 2002)

25. Reaper 2: The Ark
Thanks to the efforts of the Alienators, General Granger has had to go underground. (Original airdate: May 18, 2002)

26. Reaper 3: Alpha Omega
This is it. (Original airdate: May 18, 2002)