Here's all about The Eternaut's formidable alien creatures and why they attacked Earth

Netflix's 2025 production of The Eternaut (El Eternauta) makes a real horror tale of survival in the unexplained extraterrestrial invasion. Against the setting of Buenos Aires, Juan Salvo and his friends experience terrifying events as they traverse an altered reality decimated by a lethal snowstorm and manifestations of supernatural beings.

This Argentine science fiction drama, adapted from the classic comic book by Héctor Germán Oesterheld and Francisco Solano López, unveils a multi-layered tale of alien domination and order. The aliens employ a multi-layered regime of domination, using various animals and devices to exert authority over humanity.

Here's the official trailer for your reference:

The deadly snowfall in The Eternaut: Prelude to invasion

The series begins with an inexplicable snowfall covering Buenos Aires—a snowfall that is lethal on contact. The poisonous snow is the first phase of the alien attack, quite literally killing the population and wreaking havoc. Those who survive, such as Juan Salvo and his friends, soon learn that the snow is not a natural occurrence but a deliberate act of aggression.

The deadliness of the snow compels the rest of humankind to get used to living in a rush, equipping protective suits to go out. In the struggle against the instant danger, it is discovered that the snow is only a fraction of a wider and more malignant invasion scheme.

Beetle-like creatures in The Eternaut: The first wave

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With the snowfall comes forth imposing, beetle-type beings, exemplified by the thickly plated exoskeleton and immunity to the poisonous environment. The resistant strain, being immune to the effects of the snow, occupies the vanguard of invasion, spreading terror and claiming sovereignty of the ruined city.

Their arrival marks a transition from passive to active aggression, as they attack survivors and further destabilize human resistance. The introduction of the beetles highlights the invaders' multidimensional strategy of conquest, with environmental manipulation complemented by confrontation.

The hand: Masters of the manipulated

Further down the alien hierarchy, the show presents the enigmatic figure of "The Hand." This being oversees both the insectoid aliens and brain-controlled humans, and controls the direction of the invasion behind the scenes.

The Hand's expansion is also felt in the psychological enslavement of humans, who unknowingly serve as extraterrestrial agents. The psychological subordination gives complexity to the invasion, so that the divide between the enemy and the victim becomes obscured.

Mind control and human subjugation in The Eternaut

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One of The Eternaut's universal themes is lost autonomy, as survivors find their friends with abnormal behavior that borders on proof of alien mind control. Interestingly, Juan's daughter, Clara, also shows signs of being manipulated, such that the extent of the invaders' reach seems to be potentially wide-ranging.

This psychological warfare dismantles trust between survivors, and it becomes ever more difficult to mobilize a collective resistance. Their capacity to capture human minds demonstrates their strategic power and also the evil element of their presence.

The unseen puppet masters in The Eternaut: "Them"

Beyond The Hand is an even more malignant force known as "Them." These ultimate masters are invisible, their presence being deduced from the actions of their minions. Their invisibility heightens the fear, for the actual scope and motivation of the invasion are unknown.

The reality of "Them" implies a stratified system of control, where each subsequent stratum becomes more removed from human understanding. Layering serves to reinforce the scale and sophistication of the alien menace, an invasion as psychic as physical.

The Eternaut portrays an invasion story beyond the usual presentation of an extraterrestrial attack. Through ecological destruction, open conflict, and manipulation of the human psyche, the series portrays a complex attack upon human life.

The extraterrestrial beings, from the beetle-like enforcers to the elusive Hand and the reclusive "Them," exhibit a holistic agenda of domination. Their actions engage the survivors less in a struggle to survive than in questioning what it means to control and resist.

As the show progresses, it challenges the viewer to look at the resilience of the human spirit to overcome unimaginable and overwhelming devastation. The conflict on screen is not just for survival but for the preservation of independence and self under omnipresent and insidious menace.