The Genus returns to Glen Canyon, and this time it is infesting City Hall.
Ira and his team discover the amazing adaptability of the Genus as it evolves into a fully sentient being that calls itself Scopes.
The Genus escapes into the city's sewer system and evolves into its third stage, erupting into the town square.
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.
An oil tanker infested with Genus cells runs aground near the Galapagos Islands, threatening a disaster for this birthplace of evolutionary studies.
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.
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.
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.
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.
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.
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.
The most recent battle with the Genus has caused Wayne's sympathetic mutation system to accelerate, and identical clones of Wayne keep appearing.
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.
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.
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.
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.
Is the gang ever going to get a break? The Genus has followed them on their weekend off to Ira's family's farm.
With no new outbreaks, it looks like the team may have made themselves obsolete.
Genus-infected gasoline starts causing cars in New York City to mutate into Genus monsters.
When Wayne finally passes the test to become a real fireman, the gang must have tryouts to find replacements for him and Gassie.
After being called to an old castle in England to investigate a possible Genus outbreak, Ira and the gang find everything suspiciously normal.
With assistance from some missiles, the Genus successfully blanket the world. With civilization evacuating to shelters, the Alienators try a last ditch effort..
After General Woodman is infected by a bite from Scopes, the team must capture the creature in order to develop an antidote.
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.
The Alienators head off into space after an outbreak occurs on The Ark, an experimental space-station for animal research in zero-gravity.
It appears the team is still needed when Scopes and Gen. Granger try to blow up the moon.
Professor Ira and Professor Harry are called in to analyse a meteor that crashes at Arizona. Soon, they learn that the organisms found on the meteor are evolving and reproducing rapidly.
