Thai aide, and threatening his life by injecting him with ammonia. When she finds Chuck, he is unconscious and has nearly completed Phase Three-a lobotomy removing all portions of his brain not pertaining to the Intersect. She tells him that she would marry him if he were to propose. Chuck attempted to propose in "Chuck Versus the Balcony" but is repeatedly disrupted. Sarah overhears him discuss the plan with Morgan and recruits Grimes to make sure the next attempt succeeds. However just as Chuck is about to pop the question Sarah is arrested as a setup for an undercover operation. In "Chuck Versus the Push Mix" Chuck proposes to Sarah. By "Chuck Versus the Seduction Impossible", it is revealed that Sarah has said yes. Sarah asks Chuck to elope, but Chuck disagrees, wanting to have a big "family wedding." The two go so far as to attempt to seduce each other into agreeing, but Sarah relents and agrees to Chuck's version of the wedding. Chuck and Sarah marry in "Chuck Versus the Cliffhanger". In "Chuck Versus Sarah", Sarah has forgotten all about Chuck after having her mind wiped by the intersect in "Chuck Versus the Bullet Train". She was given false information about her past by Nicholas Quinn, and was under the impression that Chuck used the intersect for evil reasons. Chuck tries to convince her otherwise, however, she doesn't believe him, and nearly resorts to killing Chuck until she saw "Sarah + Chuck" engraved in the wall of their dream house. Casey later gives Sarah a disc of all of Sarah's video logs from when she was Chuck's handler. After watching the videos, Sarah tells Chuck that she believes his claims, but that she doesn't feel the love for him that he feels for her. At the end of the series in "Chuck Versus the Goodbye", Chuck tells Sarah about their story, and Sarah asks Chuck to kiss her, which he does, as the series ends. The Intersect Chuck becomes a CIA asset when his former nemesis "Bryce Larkin" (Matthew Bomer) sends him an email containing coded images. When he opens the email the Intersect 1.0 is downloaded onto his brain. Later Bryce Larkin gives Chuck intersect glasses (at the time Chuck believed they were sunglasses) that upgrade the intersect with new Intel that was discovered after he (Bryce) sent Chuck the email. Then on a mission against Fulcrum