Best Medicine Season 2 Premieres on FOX With New Drama in Port Wenn

Showrunner Liz Tuccillo said Season 2 includes a “couple-of-months time jump,” and that Louisa will decide whether to have and raise a child with Mark, who offered to do so platonically.
The Season 2 premiere is available to stream on Hulu in addition to its FOX broadcasts.
In Episode 2, Greg and George clash with a rival food-truck owner, while Sarah attempts to bond with Eden and Martin receives a distinctive expression of affection from Port Wenn.
The premiere’s announced ensemble includes Josh Charles as Dr. Martin Best, Abigail Spencer as Louisa Gavin, Josh Segarra as Sheriff Mark Mylow, Annie Potts as Aunt Sarah and Eliza Coupe as Dr. Eden Montgomery, among other returning cast members.
FOX's Best Medicine returns for Season 2 on September 20, 2026, with Dr. Martin Best facing a new crisis when a mermaid washes ashore in the quirky seaside town of Port Wenn. The premiere, "Be Careful What You Fish For," airs early after football before moving to its regular Tuesday slot at 8 p.m. ET/PT, with Josh Charles reprising his role as the blood-phobic doctor navigating both medical emergencies and personal drama.
Showrunner Liz Tuccillo confirmed Season 2 includes a "couple-of-months time jump" that forces Louisa to make a major decision about motherhood with Mark, who offered to help raise a child platonically. The premiere is available on Hulu and FOX, kicking off a season that promises relationship chaos, business rivalries, and one expert calling developments "pretty devastating."
The Season 2 premiere throws Martin into the deep end literally when a mermaid washes ashore in Port Wenn. Martin's ongoing struggle with blood phobia makes the medical emergency particularly challenging for a doctor in a small coastal town. Meanwhile, a well-meaning townsperson named Judith, played by Andrea Martin, creates additional complications by misusing her prescribed oxygen during the crisis.
Season 2 explores whether Louisa will accept Mark's unusual offer to raise a child together while remaining platonic partners. Louisa also seeks medical guidance from Martin's girlfriend Eden, signaling tension within the show's central relationships. This storyline forms the emotional backbone of the season as characters navigate complicated romantic and family dynamics in the small town.
The second episode, "Breakin' In Is Hard to Do," premiering September 29, shifts focus to a pharmacy robbery targeting Louisa's critical medicine. Martin insists on investigating the case personally, while Greg and George face fallout from their sea urchin business success—specifically a clash with a rival food-truck owner. Sarah attempts to bond with Eden as relationships strain across the ensemble cast.
Season 2 brings significant changes to the show's established relationships and power structures. Executive producers hinted at a "pretty devastating" revelation that will alter character dynamics. Josh Segarra returns as Sheriff Mark Mylow, Annie Potts as Aunt Sarah, and Eliza Coupe as Dr. Eden Montgomery, anchoring a cast navigating new professional and personal challenges in their isolated coastal community.
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