
Humanity must resume its war against the Martians when they revive after decades of hibernation following their defeat in the 1950s. The fate of Earth may very well rest in the hands of a small yet courageous band: astrophysicist Harrison Blackwood, paraplegic computer wizard Norton Drake, microbiologist Suzanne McCullough and military man Paul Ironhorse.





In 1953, a worldwide alien invasion would have eliminated humanity had the extraterrestrial invaders not been vulnerable to the indigenous bacteria on the planet. Now an accident at a dumpsite revives the comatose aliens who then shortly attempt to resume the war they started 35 years ago.
35 years ago Earth experienced a war of the worlds, humanity's savior being common diseases to which it had long since gained immunity. However, a Pandora's Box is opened when the invaders are accidently revived via radiation exposure, canceling the presence of their microscopic attackers.Their plot to reignite warfare is recognized only by Dr. Harrison Blackwood, who must convince others of the renewed global threat.
It's been six weeks without any further activity from the aliens since the destruction of their warships. The powers-that-be believe that the Blackwood Project has done its job and prepare to shut it down. In reality, the aliens are very much alive, but have put all efforts in combating the radiation that protects them from the bacteria from killing them as well.
Harrison and the team talk to a psychic woman who studied the aliens after the first invasion. Meanwhile, a group of aliens take over a family and travel cross country in order to awaken more aliens from hibernation.
The aliens continue to expand their operations. Sparked by random footage shot by a reporter Harrison's the team descend on the previously abandoned town of Beeton, where they find a bustling community that in theory should not exist.
The team is sent to Grover's Mill when it is discovered the 1938 radio broadcast of invasion was real. They meet with a group of local men who successfully fought the Martians 50 years ago and believe the Martians have returned to try and retrieve weapons abandoned in 1938.
The Martians attempt to take over a military base that has been used as a secure storage area for much of the information regarding the 1953 invasion. In particular they are seeking the location of Martians who are still in hibernation waiting to rejoin the invasion.
Suzanne learns that a friend of hers has disappeared from his college campus. Meanwhile the aliens are on campus in search of a bio-weapon.
The Martians encounter another human disease, chicken pox which is crippling their invasion plans. They decide by harvesting human brains so they can produce a cure that will put the invasion back on track. Harrison's team race against time to stop them completing their project.
Suzanne does some unauthorized research on a new kind of grain that will grow in any climate. The billionaire who invented wants to sell it to the world. Thinking poorer countries will be given money by richer countries. But the aliens have their own plans for the grain, after placing a new deadly poison in the grain, they take over the body of the billionaire who suddenly offers it free to the world.
Wanting to set off a "tribal war" within the human race, the aliens attempt to detonate a nuclear bomb at a U.S.-Soviet disarmament summit.
The Blackwood team consults with noted linguist Adrian Bouchard (Cedric Smith) to decipher the aliens' transmissions.
A noted scientist and old friend of Suzanne's, Dr. Erik Von Deer, is being brain-washed (through signals subliminally implanted in the music of his favorite artist) into secretly working on a serum that will give the aliens immunity to Earth's bacteria. Suzanne arrives for a weekend visit while Von Deer is on the verge of the serum's completion.
Many centuries ago, one alien ship crashed on earth. The surviving aliens were defeated by a local Indian tribe. The modern day aliens attempt to acquire the ship to assist in their subjugation of the planet.
The Blackwood Project investigates individuals who claim to have had "close encounters". The team stumbles onto an alien plot involving implanting something into victims' bodies for the study of the human immune system, setting them free and collecting them later to learn the results. Harrison ends up dating one of the victims, Karen McKinney.
Harrison is kidnapped by a unique modern artist named "Quinn", who's actually one of the aliens being hunted by his kind. He's mysteriously immune to Earth's bacteria, so the other aliens want to learn his secret through dissection. Quinn wants to set up a dialogue with Earth's leaders to arrange a "peaceful" takeover of the planet as opposed to an all-out slaughter of humanity.
The aliens plan to disorganize human society by paralyzing its means of communication.
To escape capture, an alien merges with a pregnant woman. This causes unexpected consequences for the aliens, and for Blackwood's team - and violence for the hospital staff when the woman/alien goes into labor.
The team act as watchdogs protecting a secret and unprecedented meeting of international alien experts, where they suspect one of them may be an alien.
The aliens organize a series of armored car heists in order to finance the purchase of rubies for their new laser weapons. Meanwhile, Ironhorse is kidnapped by the vengeful husband of a woman Ironhorse had accidentally shot dead while battling an alien raid at a research installation.
The aliens are forced to move their unborn infants to a refrigeration facility to save them. Meanwhile Suzanne's ex-husband, an investigative journalist appears, seeking to uncover the truth about the Blackwood project.
The team set up in Chicago to investigate a spate of kidnappings but encounter resistance from the local police. Nevertheless they discover a secret cell of alien scientists, who are trying to create a designer drug which turns addicts into frenzied killers.
Near an isolated nuclear research facility an alien scout ship is discovered. As the team arrives and set up their operations, command of the find is handed over to Colonel Alexander and his mysterious Project 9.
A competing alien race sends an assassin to eliminate the invading force and to protect humanity.
A new, more advanced generation of aliens known as the Morthren arrive on Earth. Dr Blackwood is saved from a kidnapping by a renegade soldier called John Kincaid. After executing the original alien invaders for failing to conquer humanity, the Morthren aim to destroy Blackwood's team with a clone of Colonel Ironhorse.
The remaining members of the team set up a new home and try to deal with their grief. The Morthren also have to find a fresh refuge and as part of this they kidnap and duplicate a priest who runs a homeless shelter.
When a severe heat wave strikes, the aliens cut off the city's water supply and exploit a local reverend to drive humans into worshiping the Morthren Eternal.
The aliens take over the members of a punk rock band and add a secret electronic signal to their music which will drive young people into a violent frenzy. Meanwhile Kincaid begins a romance with his late brother's girlfriend.
Mana forces a dying surgeon to conduct experiments on patients in his hospital, attempting to implant alien embryos into human hosts.
A young Morthren rebels against his people so runs away to live amongst humans and ends up becoming friends with Debi.
Suzanne takes Debi to live on her family's farm but is unaware that the Morthren are already there trying to sort out their food shortages.
The aliens develop a new drug made from human brain tissue, planning to use it to control human society.
When an alien weapon intended to kill humans via computer systems backfires, its creator, Kemo, is maimed in the process and then sentenced to death for his incompetence. Having developed human emotions as a result of his accident, Kemo teams with Kincaid to destroy the weapon.
The Morthren have developed a time machine. Malzor travels back to 1953 to inject his invading predecessors with an immunity drug to Earth's bacteria so they'll complete their original mission of obliterating mankind and colonizing the planet. Blackwood and Kinkaid arrive at the alien's research facility and follow Malzor into the past to try and stop him.
The alien embryo created on the "Breeding Ground" episode has now grown and is now a pre-adolescent in human terms (named "Adam"), residing in a special school occupied by human children with exceptional IQ's, secretly run by the Morthren. The aliens have nefarious plans for the children.
A revolutionary "med cell" is created that could save countless lives. But fearing that the Morthrens could turn it into something deadly, the Blackwood team tries to get their hands on it first. Meanwhile, Malzor desperately tries to acquire it to heal a dying Mana, his second-in-command.
The Morthren manipulate a Corporate magnate (by seemingly restoring his health) into selling them a top city newspaper he controls, to give the aliens a tool for propaganda.
In the midst of the post apocalyptic future, the team decide to throw a birthday party for Debi. Meanwhile, the Morthren attempt to locate their malfunctioning "seeing-eye" device (a self-controlled drone), which has run amok through the city.
The aliens plan to clone a popular motivational speaker in order to control the minds of the rich and powerful. Suzanne and Harrison plan to capture an alien drone.
Debi is caught up in a fight simulation developed by the aliens to study human creativity.
Kinkaid's brother Max had disappeared during their last mission prior to Kinkaid running into the Blackwood team. Now, the team stumbles across an imprisoned Max while infiltrating an alien stronghold and rescue him. Unknown to the team, Max has been transformed into a Robocop-like entity programmed to execute Kinkaid.
As the aliens are losing the fight and dying off they decide to use spores to kill off all native life on Earth.