Butcher forces a captured Supe to cough up a tumor containing the virus’s genetic key. It’s as disgusting as it sounds. Episode 2: “Life Among the Septics” Logline: Frenchie goes undercover at a wellness retreat. The Deep finds a new purpose. Homelander embraces his dark fatherhood.

The season’s most emotionally devastating episode. Starlight (Erin Moriarty) faces a public trial orchestrated by Neuman, exposing her secret alliance with The Boys. While in hiding, Butcher meets the Supe responsible for his brother’s death—and makes a Faustian bargain: the Supe’s life in exchange for access to a secret Vault. The episode ends with Butcher injecting himself with a new, experimental strain of Compound V, unleashing a monstrous tentacled entity from his chest.

Season 4 consists of , each dripping with satire, gore, and surprisingly deep character tragedy. Here’s a breakdown of the full season. Episode 1: “Department of Dirty Tricks” Logline: Butcher goes to extremes to find a biological weapon. The Boys go viral for the wrong reasons. A-Train tries to journal his way to redemption.

The Deep (Chace Crawford) becomes a dolphin rights activist, but his attempt to free captive dolphins ends in a bloody, hilarious massacre. Episode 3: “We’ll Keep the Red Flag Flying” Logline: A heist gone wrong. Kimiko’s past catches up. Neuman plays both sides.

This episode is a masterclass in satire, targeting influencer culture and wellness cults. Frenchie (Tomer Capone) infiltrates a compound run by a hippie Supe named Tilda, only to discover she’s harvesting organs. Meanwhile, Homelander takes his son Ryan (Cameron Crovetti) to a remote cabin to “train” him—which translates to psychological torture. The episode ends with Ryan accidentally killing a protester, solidifying his dark turn.

Kimiko chooses not to kill her former handler—a small but profound moment of growth in a show defined by vengeance. Episode 4: “Wisdom of the Ages” Logline: Starlight’s trial. Homelander’s origin revisited. Butcher makes a deal with a demon.

The entity, dubbed “The Butcher,” is a literal demon that speaks to Butcher, representing his id. It kills a room full of guards while Butcher watches in horror. Episode 5: “Beware the Jabberwock, My Son” Logline: Ryan chooses a side. A-Train’s heart grows three sizes. The Boys fracture.

The penultimate episode is a political thriller. Neuman reveals her plan to become Vice President, then use presidential immunity to legalize Supe supremacy. But Homelander has his own plan: he stages a public “assassination” attempt on Neuman, then uses it to justify martial law. Butcher, fully embracing his inner demon, murders Neuman’s entire security detail and corners her.