Episode Guide - Season 1

Stuart Fails to Save the Universe premiered July 23, 2026, and concluded its ten-episode first season on September 24. All episodes are streaming now on HBO Max.

On August 14, HBO Max renewed the show for a second season, which is expected to premiere in 2027. A release window has not yet been confirmed.

  1. Spoiler: Gary Dies

    101. Spoiler: Gary Dies
    July 23, 2026

    Comic book store owner Stuart Bloom is surviving in the post-apocalyptic ruins of Pasadena when an alternate version of himself arrives and sets him on a mission to reclaim the life he was meant to have. Joined by his loyal friend Bert, Stuart ventures to Caltech to recover the machine that fractured reality and find a way to set things right.

  2. Spoiler: Zack's in This One

    102. Spoiler: Zack's in This One
    July 30, 2026

    Stuart, Bert and Kripke think their nightmare is over when they land in a seemingly serene Pasadena, only to discover that an AI overlord enforces the peace through shock collars that punish negative emotions. While Bert and Kripke seek help operating the vari-state quantum interference device, Stuart sets out to find this reality’s Denise.

  3. Spoiler: Bert is Magic

    103. Spoiler: Bert is Magic
    August 6, 2026

    Stuart, Denise, Bert and Kripke land in a world where magic is real and scientists are persecuted. While Bert’s newfound powers earn him a devoted following, Stuart and Kripke seek a wizard who can reactivate the vari-state quantum interference device, and Denise struggles with a Stuart who remembers a relationship she never experienced.

  4. Spoiler: Stuart Makes a Wallet

    104. Spoiler: Stuart Makes a Wallet
    August 13, 2026

    Confined to a psychiatric hospital, Stuart confronts the possibility that his travels through alternate universes are delusions. His release promises an idyllic suburban life with Denise, but he soon begins to question what is real.

  5. Spoiler: Bert Gets Married

    105. Spoiler: Bert Gets Married
    August 20, 2026

    The group lands in a tropical paradise whose inhabitants share everything, including one another. As Stuart tries to repair the broken quantum device, Bert falls in love and introduces the community to monogamy, while Kripke teaches them about capitalism.

  6. Spoiler: Corn is Delicious

    106. Spoiler: Corn is Delicious
    August 27, 2026

    After landing in a universe where humans evolved from cattle and live in a peaceful, modern society, Stuart and Denise decide to build a life together, while Bert and Kripke choose to roll the dice on another reality.

  7. Spoiler: Dexys Midnight Runners Get a Royalty Payment

    107. Spoiler: Dexys Midnight Runners Get a Royalty Payment
    September 3, 2026

    After Stuart realizes the quantum device needs a “steering wheel”, the group heads to Caltech in search of Howard Wolowitz, encountering some familiar faces along the way.

  8. Spoiler: We're as Confused as You Are

    108. Spoiler: We're as Confused as You Are
    September 10, 2026

    Stuart decides the group must return to a war-torn universe to steal a quantum device from alternate versions of themselves.

  9. Spoiler: We Couldn't Get Green Lantern

    109. Spoiler: We Couldn't Get Green Lantern
    September 17, 2026

    Trapped in a comic book, Stuart and his friends rely on his encyclopedic knowledge of comics to seek a superhero’s help, only to find themselves targeted by a supervillain.

  10. Spoiler: Filmed Before a Live Studio Audience

    110. Spoiler: Filmed Before a Live Studio Audience
    September 24, 2026

    Stuart and the group are trapped in the comic book store, floating in an endless void, so where is that laughter coming from? Meanwhile, Stuart struggles to understand why Denise is angry with him.