‘Invincible’ strikes the Viltrumite Empire right where it hurts most: this is how the beginning of the end begins
The latest episode of ‘Invincible’ is one of the most powerful in terms of storytelling. What will happen next?
The fourth season of 'Invincible,' which premiered on Prime Video in 2026, is rapidly advancing the story arc of the war against the Viltrumite Empire. In its most recent episode, the popular animated series has picked up the pace, reaching one of the comic’s major points of no return. Mark, Nolan, and Oliver will have to face, once again, the enormous moral cost of the extreme decisions they’ve made. Below, we’ll tell you everything that happened in this episode, along with its thematic implications.
Author’s note: For obvious reasons, this article contains spoilers for ‘Invincible’. Specifically, for the seventh episode of season four. You’ve been warned!
Thaedus’s Great Betrayal, Which Marked the Beginning of the Viltrumite Empire’s Decline in ‘Invincible’
Episode 4 of Season 7 of ‘Invincible’ has been, along with the series pilot itself, one of the most powerful episodes in terms of storytelling. In it, we witnessed the rise and fall of the Viltrumite Empire all in one go. At the beginning, a flashback shows how tensions arise among Viltrum’s leadership: when a revolt breaks out on one of their protectorate planets, both Regent Thragg and Emperor Argall choose to decimate the native population to set an example, while Thaedus opts to show mercy to ensure their voluntary loyalty in the long term.
Although Viltrum’s moral justification for galactic conquest is to bring order to chaos, Thaedus concludes that this claim is nothing more than an excuse to oppress the rest of the intelligent beings in the universe, so he decides to take drastic action: assassinating Emperor Argall. This major point of conflict is the first domino to fall in a downward spiral that would culminate in the destruction of both the Viltrumite people and the planet itself.
Shocked by the cowardly murder, Thragg takes Argall’s place and proclaims himself Grand Regent. His first order is as brutal as it is unambiguous: he commands all Viltrumites to seek out weakness among their own people to prevent such treachery from ever happening again. His words are immediately put into action, almost instantly triggering a maelstrom of death and destruction as the Viltrumites turn on their own kind.
The Scourge virus wouldn’t be long in arriving, but this flashback makes it clear that the severe decimation of the population wasn’t due solely to the biological weapon devised by Thaedus; rather, the Viltrumites themselves had already carried out a massive purge beforehand. In other words: behind that facade of an intergalactic empire that imposes its will by force lies, at its core, a cult of death where only the strong deserve to live.
Viltrum is completely destroyed in ‘Invincible’, but Thragg and the Empire are still alive: what happens next?
In the present, the Coalition of Planets launches a desperate attack against Thragg and the remaining scattered Viltrumites who accompany him. Unfortunately, Thragg saw this attack coming and ambushed Mark, Nolan, and the others. Realizing it’s impossible to defeat Thragg by force, and after a brief conversation in which he asks Thragg to surrender to prevent the total annihilation of his species, he concludes that the only way to deliver the final blow is to destroy Viltrum with his own hands.
To do so, he charges directly at the planet, accompanied by Space Racer, Thaedus, and Mark: Space Racer fires his piercing laser, and the three Viltrumites follow right behind the projectile to pierce the planet completely, causing its total destruction. That said, the destruction of Viltrum does not mean the immediate end of the Viltrumite Empire, but it does mark a major turning point in the series: the moment when a civilization already in decline loses its last great symbol of power and unity.
Thragg himself, consumed by rage at the destruction of his home, kills Thaedus and is about to do the same to Mark and Nolan. But, in a final moment of hesitation, he is overcome with grief, declaring that “there are too few left,” and spares their lives. After this, the last survivors of Viltrum depart for an unknown destination... or do they?
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Those who have already read the comics will know what happens next. However, even knowing the plot in advance, this episode has laid bare—with great fidelity to the source material—one of its critical narrative flaws. With the destruction of Viltrum, ‘Invincible’ proves, once again, that it is one of the most brutal and compelling deconstructions of the superhero genre. And that is precisely why the animated adaptation has become one of Prime Video’s most acclaimed series.
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