Falling Skies Wiki


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1, 2, 3
First seen
Last seen
Appeared in
Mentioned in
Also Known As
Lizards (2nd Mass)
Cooties (Pope)
Chinchas (Diego)
Guardians (by harnessed children)
Cockroaches (Charleston)
Warriors, Slaves, Rebels
Captured Lifeforms
Date of birth
Date of death
Family members
Portrayed by


Skitters are a species of apparently intelligent insect/humanoid creatures widely thought to be responsible for the Invasion of Earth. They move quickly on six legs, attack with formidable claws, and possess a tough exoskeleton. Skitters are functionally nocturnal (Grace) and communicate using radio waves. They are able to use harnessed children to communicate with humans. They are also referred to as "Cooties" by Pope's Gang. The harnessed children refer to them as "guardians" (Death March).

According to Rick Thompson, Skitters are morally repulsed by the concept of harming one's own species.

While performing a dissection, Anne and Lourdes find a harness beneath a Skitter’s exoskeleton, suggesting skitters are the enslaved or bio engineered subjects of the Overlords. Skitters may have once been a different type of life form, as the harness seems to genetically modify the host.

It is revealed in the episode "Mutiny" that the harnesses will gradually transform the harnessed kids, a process that can continue even if the harnesses are removed. Examples of this can be seen by Rick's ability to stick to walls in addition to his enhanced strength, speed, and agility. In addition to this Megan was shown to have scales on the sides of her head, and possibly even more parts of her.


They were the only immediately apparent invaders of Earth around 6 months before the start of the events in Falling Skies, and thus are thought of as the actual invading race by many people.

They "harness" children using a parasite to control the children's minds so they can communicate. They appear to have armor that covers their body except for their head and legs. It is revealed in the episode "What Hides Beneath" that the Skitters are in fact harnessed themselves by a very tall humanoid race of aliens, known as the "Espheni" or Overlords, revealing the Skitters are not the true invaders, but are instead unwilling slaves to the Overlords.

It is revealed that Skitters are another species whose planet was invaded and conquered by the Espheni leading to the Skitter race's enslavement by the Overlords, but not all of them are mindless slaves. Skitters that were able to break free of the Overlord's control created a resistance against them that has been ongoing for a century. The fact that humanity was able to create an organized resistance so quickly, and witnessing first hand how courageously humanity fought back against their oppressors made it clear to the Skitter resistance that, with humanity's help, they just might have a chance.


They use bipedal Mechs as well as airships. A skitter can not fight with a gun or knife. But can wound a human with a blow from one of its legs. However in Worlds Apart an unidentified Skitter weapon, similar to a cattle prod was seen in use.


The Skitters were the first species to give a brief description of what their planet of origin is/was like. While the planet is still unnamed, Skitter Red Eye (Worlds Apart) claims that their homeworld was much like Earth in regards to its atmosphere, diversity of life and amount of water cover.

Its current status following the Overlords invasion is unknown but it can be assumed that their homeworld is much different now than it was prior to the Esphenis invasion. This is supported by Red Eye who stated that it was much like Earth. This was later indirectly explained by Cochise in The Pickett Line when he explained how the Esphinis defense network will eradicate all organic life on Earth.


Skitters have vaguely reptile-like but also several insect-like features. Skitters walk on six legs, but have a roughly humanoid torso with two clawed arms (for a total of eight limbs). Instead of having composite or compound eyes like many insects, Skitters have lizard-like eyes with slit pupils. They can breathe Earth's oxygen atmosphere without external aid. Earth's temperature is also compatible with them, though they are said to have slightly higher tolerances to both heat and cold.

They may not have a true exoskeleton - their armor may just be an organic type of bulletproof vest. Skitters possess an internal bone endoskeleton, muscles,
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Survival rate against a skitter (Via Falling Skies Facebook)
Sheckdiesel13Added by Sheckdiesel13
and circulatory system much like Earth vertebrates. Skitters have red blood, suggesting their blood contains iron-based hemoglobin, just like human blood. They do need to sleep, and often prefer to do so by hanging upside-down from the ceiling like bats, clustered together if there is more than one. It is not clear if they are nocturnal, because they have been seen either sleeping or active at different times of the day. Skitters who are in control of a group of harnessed children tend to sleep with them. Tom Mason points out that this is similar to human soldiers in combat zones, who try to grab quick naps whenever they can at any time of day.

Skitter mouth parts are fairly different from most earthly vertebrates, and it is physically impossible for them to make the sounds of human languages. They communicate with each other using radio frequencies which are inaudible to humans, but can be picked up by radios in the form of interference. It is unclear exactly what range this radio communication has, but it is known the range is not infinite - Skitters must be within a certain distance of Mechs, harnessed children, or other Skitters to communicate with them in this manner. Skitters can communicate through harnessed children, but it is not clear if they can understand human language on their own. Skitters can thus direct groups of harnessed children in combat, though if they are only being controlled by one Skitter, they can only focus on one objective at a time.

In Silent Kill, it was discovered by Anne that unlike humans, Skitters have no bone separating the soft palate of the roof of the mouth from their brain. Because there is nothing but soft tissue in between, forcefully driving an object into the back of a Skitter's mouth will easily kill it. Of course, one would have to get dangerously close to a Skitter in order to do this.


Little is known about Skitter society and beliefs. Currently their civilizaton is almost totally subsumed by the Overlords and whatever it may have once been prior to the alien invasion and enslavement is unknown.

According to Rick Thompson, Skitters are morally repulsed by the concept of harming one's own species, a belief similar to that of the Overlords and may have come from them originally. The Skitter Rebelion, however, has shown no hestation when it comes to killing enemy Skitters.

Skitters tend to stay clustered together if in groups. Its been theorised that Skitters don't form marital bonds and have many different partners throughout their lives.

Currently there appears to be a deep split within Skitter society between the enslaved Skitters and the The Skitter Rebelion that was able to break free of the Overlords control and will stop at nothing to bring their enslavers down.

Known IndividualsEdit

Skitter (Live and Learn)Edit

This skitter attacked Tom Mason in a food warehouse. It and a Mech were waiting, patiently, for a chance to attack someone, and the 2nd Massachusetts Militia Regiment soldiers happened to be by. When Tom Mason's team were in the building, the skitter surprised and attacked Hal, who was saved by his father. In the meantime, a Mech was attracted by the shooting and started to chase Tom. Since Hal had distracted it, Tom managed to destroy it by rigging a cart with C4 and rolling it in the Mech’s direction. Later, the skitter reappeared and tried to kill Tom, but failed. Dai, in turn, killed it with a blow in the head. It mumbled something in a strange alien language before dying. It is unknown what it said as no one could translate.

Skitter (Prisoner of War)Edit

Tom Mason captured this skitter, returning to the 2nd Mass as both a prisoner of war and the subject for study. When it woke-up, it attempted to communicate by having Rick, a previously captured teen who'd had his harness removed as part of an experimental operation, to put his harness back on and serve as a translator. The effort failed, as Mike removed the harness again, angering the alien and, perhaps, endangering Rick's life. This skitter remains a prisoner, though it has started to form an attachment to Tom and Anne, but remains scared and angered by Harris and Mike, most likely due to their previous actions toward it. It killed Harris in self-defense when he attempted to inject it with a lethal serum. Anne Glass finally killed it by stabbing a surgical scalpel into its soft plate.

Somerville Skitter (Grace)Edit

A Skitter that commanded a group of harnessed children to attack Tom Mason's team in the motorcycle shop after Pope killed a group of sleeping Skitters by throwing a gasoline can with grenades attached at them. It ambushes Dai and Tom, inside the motorcycle shop that escape, but not before dai kills it by shooting it in the face with his shotgun, and they escape.

John Pope's SkitterEdit

A Skitter that was killed by Pope's Gang. The 2nd Mass dissects it and uses it to learn more about the insides of Skitters. Its corpse helped the 2nd mass discover about communication through radio signals. Later Anne and Lourdes dissect it and discover it and the skitters are harnessed.

Skitter HarnesserEdit

Skitter that was seen attaching a harness to a young wounded teenage boy while Hal and Tom hid under a table.

Skitter (Prisoner Of War) 2Edit

A Skitter that ordered the death of a group of children in front of Hal in order that a threatening message be sent back to the resistance.

Skitter (Silent Kill)Edit

Skitter that led a group of harnessed children, one being Ben Mason. It ordered the children to lay down in a circle and fall asleep before using its leg's to cover them with its body. As they fell asleep, the skitter lovingly pets their heads. Hal, pretending to be a harnessed kid, stabs it in the head but was not successful in initially killing it. During the ensuing melee, Tom Mason shoots it with an arrow allowing Hal to complete his work with the knife.

Skitter (Sanctuary (Part 1)Edit

Skitter that attacked Jimmy Boland and almost succeed in taking him or killing him, however it was killed by Weaver in the 2nd mass base before it could capture or kill Jimmy.

Skitter Harnesser 2Edit

This Skitter arrived with a harnessed girl named Megan to harness a young boy named Eli Russell and possibly used Megan to tell the 7th mass all they wanted was the kids.

Red EyeEdit

This skitter was on the Overlord's ship while Tom Mason was captured. It escorted Tom along with Karen Nadler to an Overlord to discuss humanity's surrender. Eventually, Tom manages to take its weapon and shock the Overlord, the Skitter then knocked Tom out. After Tom and the others were released the Skitter ordered the Mech it was with to kill all the people except Tom. Later in Shall We Gather at the River it was seen, slightly injured from the explosion on the bridge, near the 2nd Mass, the bug that was taken out of Tom crawls into its left eye. Ben and Jimmy, while patroling in the same area where it was located, came into contact with it. This skitter defends itself by attacking them resulting in Jimmy's death. It then pays Ben a visit, while Ben is out alone in the woods, and Ben's harness remains begin to glow for reasons unknown. In the episode Love and Other Acts of Courage Red Eye sends Rick back to the Second Mass and asks to be taken back to base. While there Red Eye tells Tom Mason through Rick that the Overlords did the same thing to the Skitter's home planet that they are doing now, and that he is the leader of a group Skitters resisting the Overlords and offers Tom Mason the chance to form an alliance between the Second Mass and the Skitter Rebellion. Red Eye later escapes the base after Captain Weaver tried to have him killed because of Rick's intervention.

Skitter (Young Bloods)Edit

This skitter was present at the factory, where several kids where being harnesed. It appeared to be in charge of this factory and was eventually killed when the 2nd Mass gained access to the harnessing room, where the kids were being harnessed.

Skitter (Compass)Edit

This skitter was a skitter that Ben and Jimmy found ,while patrolling the woods near the 2nd Mass camp, and killed; but not before it put up a fight.

Skitter (Molon Labe)Edit

This skitter was seen together with an Overlord. He was part of the ambush on Ben. He was killed by Tector.

Skitter (The Price of Greatness)Edit

A skitter rebel who was present during the attack on the overlord gun facility.This skitter and many of his rebel comrades survived, this skitter was able to survive the battle and saw Red Eye die. After this the skitter told the surving 2nd Mass members, who took part in the mission to destroy the overlord gun, that they needed to go.

Skitter (A More Perfect Union)Edit

This skitter personally handed a skitter electrostaff to Karen Nadler, and participated and was likely killed in a joint 2nd Mass/Skitter Rebellion assault on the weapon facility.

Paint FaceEdit

This skitter took over command of the Skitter Rebellion after "Red Eye" was killed shortly before the 2nd Mass destroyed the Unidentified Overlord Cannon. He informed Tom and Col. Weaver that Karen Nadler had taken over for the Espheni Tom killed several months earlier.


Start a Discussion Discussions about Skitters

  • How do you kill a Skitter?

    3 messages
    • by shooting the legs first and then you can put a bullet through the skitters head
    • Well, anything can be killed if you hit/shoot/stab it enough times, but apparently skitters don't have a palet between their mouth and brain (...
  • Skitters

    2 messages
    • So the children become skitters or have skitter like qualities.
    • Maybe skritters were a civilization what looked nothing like skitters, but gradually mutated into them over enslavement. Wich is weird, becas...
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