House has some questions for Thirteen. The most pressing: Why were you in jail for a year?!?
House and Thirteen at a spud gun competition?!? Yes, this takes place on the episode "The Dig."
She's fresh out of prison, but why was Thirteen there? That's the question at the center of "The Dig."

House Season 7 Episode 18 Quotes

Thirteen: You're married?!
House: You were gone so long. Green card.

Some puzzles are just too good to share.