The ending of Inglourious Basterds brings together two operations that the people involved have not coordinated with each other. The destruction of the cinema changes the history within the fiction; the final scene stops Landa from fully controlling the story of his past.
Two plans arrive at the same premiere
Shosanna and Marcel prepare an attack on the Nazi leaders gathered in their cinema. The opportunity arises from the premiere of Nation's Pride, a propaganda film that turns Fredrick Zoller into a screen hero. On the other hand, the Allied operation places members of the Basterds among the audience. Both plans share a target and a location, but they do not come from a secret meeting between Shosanna and Aldo Raine.
This independence explains why the ending can still go ahead even though one of the operations changes. Each group knows its own part of the danger. Shosanna is not waiting for Aldo to give her a signal; the Basterds do not enter to carry out an order from the owner. The editing allows the viewer to piece together information that the characters keep separate.
Landa discovers the infiltration of Aldo's men and uses that advantage to negotiate his future. His decision to allow the Allied attack to continue does not mean that he also designed Shosanna's revenge. The film does not show him knowing her identity or her plan in the cinema. Attributing that knowledge to him would turn him into an omniscient author of events that the story presents as converging.
Inside the building, Shosanna and Zoller face each other in the projection booth and both are fatally shot. That death does not automatically cancel the plan because part of the action is already set up and Marcel retains his own role. Shosanna's filmed message can be projected without her remaining alive to deliver it. The ending thus separates a person's physical presence from the persistence of their image.
The cinema changes the film's history
The propaganda screening is interrupted by Shosanna's message. The face filling the screen stops celebrating Nazi power and turns against those who represent it in the auditorium. The reversal is not just a matter of replacing one film with another: it turns the privileged viewers into the target of a threat they can no longer control through their institutional position.
The fire and the Basterds' attack overlap. Donny and Omar fire at the box where Hitler is seated, while the explosions and the blaze destroy the venue. Hitler's death is not left as an ambiguous off-screen possibility. The film shows it to make the break with real history visible. The analysis of the nitrate and the fire distinguishes the function of film stock from the licence of spectacle.
That outcome belongs to an alternate history. Hitler did not die in a Paris cinema: the film deliberately alters the historical course within its fiction. The change should not be presented as an alternative documentary version of events. The film uses historical figures and a recognisable setting to imagine a revenge that real events did not offer in that way.
The choice of location concentrates several meanings. The cinema gathers the leaders together, spreads their propaganda and gives Shosanna a profession from which to answer back. The screen that glorified a power becomes the medium for an accusation against it. That relationship between representation and retaliation develops in the revenge of the giant face, without reducing the whole ending to a single material cause.
The negotiation Landa cannot close
Landa tries to turn his late cooperation into a new identity. He negotiates favourable terms with the Allies and tries to present himself as the person who made the ending possible. His skill lies in spotting a shift in power and placing himself on the side he sees as the winner. No remorse is shown for the persecution of the Dreyfus family or for the other actions he has carried out.
Leaving the cinema does not give him control over everything that will happen afterwards. Aldo kills Landa's companion and brands the officer's forehead with a swastika. The gesture contradicts his expectation of taking off the uniform and shedding its symbols. Landa's negotiation with the Allies explains the deal; the final scene shows the limit Aldo imposes on his own.
The mark connects with a practice introduced earlier in the film. It does not appear as an isolated last-minute idea: it returns to the problem of how to recognise someone when they no longer wear the symbols of their allegiance. The swastika on the forehead turns the body into a record Landa has not chosen, even if the film presents that record through a violence that also demands critical scrutiny.
Aldo's final judgement on his work has a self-referential resonance: it can be heard as a comment the film directs at its own making. That reading does not erase its immediate meaning within the scene. Aldo is looking at what he has just done and claiming his decision. The irony makes it possible to sustain both levels without turning the line into a documentary statement from the director.
The ending thus distributes its closures unevenly. Shosanna dies, but her image completes the revenge; the Basterds who remain in the room die during the attack; Landa survives, but cannot leave with the clean identity he expected. Victory does not restore the original victims. It produces an imagined history in which their attackers lose control of the screen and of memory.
More context in the Inglourious Basterds guide.