Becky O'Donohue

Leonard and Penny experiment with dating again by "beta testing" their relationship, while Raj develops a peculiar relationship with his phone's virtual assistant.

The team takes on the case of a deaf 14-year-old named Seth who collapsed after he started "hearing" explosions while competing in a wrestling match. When the team tries to test him for seizures, Seth loses vision in one eye, complicating House’s bunk theory of "Exploding Head Syndrome." As his condition worsens, the team has an ethical disagreement about the patient and his mother’s adamant decision to forego cochlear implants to supplement his hearing. When the prospect of giving Seth the ability to hear for the first time in his life arises, House and the team are faced with a resounding decision. Meanwhile, House’s lack of sleep starts to play tricks on his mind, but he finds his insomnia may be a gift instead of a burden.

Jane and the CBI narrow down the list of suspects after a disgraced clothing designer on the verge of a comeback becomes a fashion victim. Meanwhile, FBI Agent Susan Darcy continues her investigation into finding Red John. Guest star Alicia Witt returns as Rosalind Harker.

Molly faces a dilemma when her publisher asks her to make a provocative change to her book.

Excited that her book is finally out and available for purchase, Molly worries that no one will buy it — by obsessively refreshing the book's website to see if its selling.