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Thursday night’s episode of HBO Max’s Stuart Fails to Save the Universe reveals the creators’ original plan to center a DC crossover on Green Lantern — a choice that fell through because HBO’s live-action show Lanterns already occupied the character. The team reworked the story around The Flash, using the switch to lampoon comic-book logic and the multiverse’s sillier moments.
Why Green Lantern wasn’t used
According to co-creator Zak Penn, the production approached DC with the request but was turned down. “They told us we couldn’t have him because of [HBO’s live-action series] Lanterns, which I understood,” he told Deadline.
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Penn said creator Chuck Lorre wasn’t thrilled at first, but the writers decided that Flash actually served the episode’s needs better. The character’s ability to move between dimensions fit the plot, and it opened more comic possibilities than the original plan.
How the Flash was written into the story
In the episode, Stuart — played by Kevin Sussman — and his friends find themselves trapped inside a comic-book Gotham where Mr. Freeze is wreaking havoc. To escape, the group seeks out the Golden Age Flash in Central City for help.
Penn said the choice of a vintage, somewhat absurd version of the hero appealed to the writers. He noted the cast and creative team enjoyed leaning into how strange many comic premises are when viewed through an ordinary person’s eyes.
Tone, visuals and satirical intent
The show intentionally plays with continuity and comic-book conventions. Penn described an editorial approach that allows the series to “purposely break things and then have the characters notice that the multiverse doesn’t work as well as it should.” That self-awareness becomes a source of humor rather than a flaw to hide.
Director Robbie McNeill received praise for giving the episode comic-inflected visuals, including panel-like framing at key moments. Penn said those devices support the show’s comedic rhythm rather than pulling viewers out of the story.
Collaboration with DC and production context
The writers developed the episode’s comic incarnations of DC characters in close consultation with Jim Lee and other DC executives. Lee previewed the partnership at San Diego Comic-Con’s Hall H, telling the audience the series handled the DC material well.
Penn, who worked with Lee previously on Ready Player One, described the DC team as supportive. He joked that their assistance came with one clear restriction: no Green Lantern.
What’s next for the series
HBO Max has renewed Stuart Fails to Save the Universe for a second season before this season’s finale airs next week. Penn said he “would be shocked” if future episodes didn’t continue to draw on the DC universe, though Season 2 planning remains in its early stages.
He added that the writers’ room has not yet reconvened but will meet next week to begin discussions for the upcoming season.
