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    duologue
    Comedy

    Canine Diabetes

    from How I Met Your Mother

    Written by Carter Bays

    How I Met Your Mother

    Lily tries to discuss wedding cake options while Marshall becomes convinced he has diabetes after misreading a veterinary medical website.

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    Scene PreviewExcerpt — subscribe to read full scene

    LILY

    What kind of wedding cake would you prefer: Chocolate Layer or Tahitian Vanilla?

    MARSHALL

    (RE: SCREEN) I have diabetes!

    LILY

    So...something sugar free?

    MARSHALL

    Listen to this: “Diabetes. Symptoms include: Nausea.” Check. “Dry mouth.” Got it. “Increased urination.” Like a firehose.

    MARSHALL

    (THEN, CONFUSED) “Loss of sheen on coat. Less playful,…

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    Scene Notes & Audition Tips

    5 sections
    About This Scene

    Written by Carter Bays for the contemporary comedy series How I Met Your Mother, this one-minute duologue captures a classic relationship misunderstanding. As Lily attempts to finalize details for their upcoming wedding cake, Marshall derails the conversation with an intense wave of hypochondria after browsing a veterinary medical website. The scene moves at a brisk pace, blending domestic planning with absurd confusion.

    Character Analysis

    Marshall is a twenty-seven-year-old law student whose earnest, agreeable nature makes him susceptible to sudden panics and quick concessions. His struggle to defend an argument clashes hilariously with his legal aspirations, making him an endearing Everyman. Lily, also twenty-seven, serves as the grounded, practical partner who tries to steer the situation back to reality. She brings sharp wit and affectionate exasperation to the table, challenging Marshall while remaining deeply invested in their partnership.

    Why This Works for Auditions

    This scene delivers clear, high-energy character dynamics within a tight sixty-second framework, making it ideal for demonstrating active listening and reactive comedy. The material offers performers strong archetypes in the Comic Relief, Girl Next Door, and Young Professional casting categories. Because the stakes shift abruptly from medical emergency to domestic frustration, actors can showcase rhythm, comedic escalation, and vocal contrast without needing props or elaborate staging.

    Best Suited For

    This piece is well-suited for actors aged 25 to 35 seeking contemporary comedic material for self-tape auditions, agent showcases, or general practice. It is especially useful for pairs wanting to highlight relatable romantic chemistry and sitcom timing for television casting directors.

    Performance Tips

    Marshall should commit entirely to his health scare with absolute sincerity, as treating the veterinary diagnosis as a genuine tragedy makes the absurdity far funnier. Lily needs to keep her initial objective alive by staying genuinely invested in the wedding details rather than anticipating the joke. Pay close attention to the rapid back-and-forth dialogue near the end of the scene, executing the vocal shifts crisply without pausing or telegraphing the punchline.

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