She is devastated and immediately shifts into "problem-solving" mode, researching expensive oncologists and pressuring Walt to undergo treatment.
The revelation leads to a fraught family intervention in the next episode, Gray Matter when does walt tell skyler about cancer
Walter White does tell Skyler about his lung cancer in the pilot episode. Throughout Season 1, he actively hides the diagnosis from her, using lies to explain his absences (a second cell phone, "going to the car wash," etc.). "going to the car wash
Season 2, Episode 1: "Seven Thirty-Seven" Air Date: March 8, 2009 Context: Following the shocking events of Season 1 (the meth lab explosion, killing Krazy-8, and his fugue state), Walter White returns to a tense marriage. " etc.). Season 2