On Watson Season 2 Episode 19, “Rule of Three,” complications abound as John and Mary head to Baltimore for cancer treatment and Lauren goes into labor.

Watson delays his own care while treating an authoritarian dictator on Watson Season 2 Episode 18, “Sic Semper Tyrannis.”

A family seemingly allergic to sunlight, hallucinations, and manipulative antagonists shape the team on Watson Season 2 Episode 16, “Respect the Process, Respect the Quirks.”

On Watson Season 2 Episode 15, “A Third Act Surprise,” the team treats a young woman in kidney failure while John consults again with Sherlock, but it’s the final moment that leaves him reeling.

On Watson Season 2 Episode 14, “Wrongful Life,” John and the Holmes Clinic face legal action from a young patient who has endured a life of medical suffering.

A young woman is revived from the verge of death— repeatedly– on Watson Season 2 Episode 13 “For a Limited Time Only.”