Martin" Episode #10.3(2022) — "doc

Stewart has started a new outdoor survival course and invites Al Large and PC Penhale to the woods for a test run.

Back in the village, a separate medical issue arises at the local primary school. "Doc Martin" Episode #10.3(2022)

The episode's primary subplot features the return of (guest star Ben Miller), the former park ranger known for his history of mental instability and past delusions of living with a giant squirrel. Stewart has started a new outdoor survival course

While Penhale is enthusiastically "all in," Al quickly notices that Stewart's behavior is becoming increasingly erratic. While Penhale is enthusiastically "all in," Al quickly

Martin investigates the site and discovers the source of the illness is an infection in the school's soil , rather than a contagious virus. 🩺 Character & Cast Notes

Doc Martin eventually arrives to find Stewart hallucinating due to Q Fever , a bacterial infection often caught from livestock, which explains his bizarre behavior—including an incident where he jumps at the Doc while dressed as a sheep. 🏫 Trouble at Portwenn School

Several children and the new headmistress (who took Louisa's former position) fall ill with a mysterious infection.