From FOX: Thirteen has been in prison for the past six months, but the real mystery for House is what she did to get there. When she exits the prison, Thirteen is surprised to find him waiting for her, and unaware of his plans for the two of them for the next few days.

Tonight‘s highly anticipated episode, "The Dig," is highly anticipated for a couple of reasons. One, that Thirteen, who left after the season‘s premiere episode, is returning, carrying a rather large secret with her. And two, it‘s the show‘s 150th episode. Back when the show hit the 100th episode in season 5, there was celebration. But David Shore, the series‘ show-runner, made sure to mention in interviews that just because he hit 100, didn‘t mean the episode was going to be spectacularly different.
Read more »