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Vaccine Satire ‘Eureka Day’ Comes Home to the Bay Area

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A group of people sit around a room at desks, looking at each other against a black backdrop
Actor Lisa Anne Porter (left) rehearses a scene from ‘Eureka Day’ with fellow cast members at Marin Theatre in Mill Valley on Aug. 19, 2025. (Beth LaBerge/KQED)

Over the past seven years, Bay Area actor Lisa Anne Porter has gained a deep appreciation for her character Suzanne, the founder of a fictional private school in Berkeley and a mother of six who refuses to vaccinate her kids.

“I have enormous sympathy for someone who feels like the rest of the world looks at her like she’s crazy, and that she doesn’t have intelligence and integrity,” Porter said as she rehearsed to reprise her role in Eureka Day at Mill Valley’s Marin Theatre. “Living with it for so long, there are other aspects of her that are really coming forward as to why she’s so triggered by what happens in the room. Certainly COVID and Black Lives Matter.”

Eureka Day first premiered in 2018 at Berkeley’s Aurora Theatre, which is co-producing the play’s return to the Bay Area just a few months after it won a Tony Award, going to playwright Jonathan Spector, for Best Revival. The play’s homecoming, which begins previews Thursday, Aug. 28, welcomes back Porter and many other members of the original Berkeley cast. Josh Costello, Aurora’s artistic director who directed the 2018 world premiere, returns to helm this production.

Director Josh Costello talks with the cast during a rehearsal for ‘Eureka Day’ at Marin Theatre in Mill Valley on Aug. 19, 2025. (Beth LaBerge/KQED)

“The fact is that vaccines are safe and effective, and the play gives voice to somebody who is living in a different set of reality with a different set of facts, based on information that is false,” Costello said. “Yet the play does a really remarkable job of humanizing that character.”

The prescience of Eureka Day, a satire about vaccine hesitancy at an elite Berkeley private school, partly explains the show’s wide appeal and successful global run. Spector sought to tell a story about people learning to come together despite their fundamentally different views. Meanwhile, the issue of vaccine politics has gained more poignancy, following the COVID-19 pandemic and the “Make America Healthy Again” movement.

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One hilarious scene in particular predicted our Zoom-filled future: The audience sees the online chatroom that the actors discuss on stage in real time. Costello said that during the show’s first preview at Aurora, the audience laughter was so strong, lasting a full five minutes, it was difficult to hear the actors’ dialogue. In response, Spector rewrote the lines to make it less funny.

“Being there that first day, we couldn’t hear one another. It was this moment of, ‘Do we just keep talking and hope that at the end we end up in the right place?’” Porter said. “It was unbelievable. I’ve never had an experience like that before.”

The return of Eureka Day is bittersweet, however. This year, Aurora announced the suspension of its 2025–26 season due to ongoing financial difficulties. Costello said attendance, subscribers, donations and grants have decreased significantly since the pandemic, while expenses have risen.

Marin Theatre hopes the relevant comedy can start its 2025-26 season on a high note, given its similar financial challenges. The theater has also faced losses of donors and government grants, and its subscriber base has dropped to a third of pre-pandemic levels, according to Lance Gardner, executive artistic director for Marin Theatre.

“I encourage people to attend live theater, to consider giving to nonprofit organizations like us and to understand that the ticket prices that we’re charging are nowhere near what we need to cover our expenses,” Gardner said. “Shows like [Eureka Day] can change individuals, and those individuals can change others, and that can have an effect on the entire society.”


‘Eureka Day’ runs from Aug. 28–Sept. 21 at Marin Theatre (397 Miller Ave., Mill Valley). Tickets and more details here.

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