Conversation so far:
who does kitty end up with in brothers and sisters
At the end of Brothers & Sisters, Kitty Walker is in a relationship with Seth Whitley, a young graduate student at Waxley University.
Who does Sarah end up with in Brothers & Sisters
In Brothers & Sisters, Sarah Walker marries Luc Laurent in the fifth and final season.

Question: When was the last season aired
Self-contained rewrite: When was the last season of Brothers & Sisters aired