Dr. House: 2г—3 May 2026

The title refers to a high-stakes medical mystery where Dr. Gregory House must solve a case involving a set of triplets whose identical DNA makes diagnosing their divergent symptoms a nightmare . The Case of the Mirror Triplets

House discovers that the sisters were all taking a specific "natural" performance-enhancing supplement to stay thin for gymnastics. Because of a rare phenomenon in female development (skewed X-inactivation), each sister's body processed the supplement's toxins differently: Dr. House: 2Г—3

: Cuddy pressures House to find a solution before Maya’s lungs fail completely. Meanwhile, House is distracted by Wilson, who has started "triplet-dating" (dating a woman who is also a triplet), leading to a series of pranks about identity and individuality. The "Eureka" Moment The title refers to a high-stakes medical mystery where Dr

had a delayed reaction that eventually triggered a cytokine storm. The Resolution Because of a rare phenomenon in female development

: House treats them as a single organism with three different "outputs." He theorizes that while their DNA is the same, their epigenetics —how those genes are expressed—have diverged due to secret lifestyle differences.

The episode opens with three identical 19-year-old sisters—Maya, Lea, and Chloe—admitted to Princeton-Plainsboro. They were performing a synchronized gymnastics routine when Maya went into respiratory failure, Lea suffered a seizure, and Chloe remained perfectly fine—until she began experiencing "sympathetic" pain so intense it mimicked a heart attack. The Investigation

: House’s team (Chase, Cameron, and Foreman) is stymied. Because they are monozygotic triplets, any genetic defect should be present in all three. However, their bodies are reacting differently to the same environment.