When Kate visits her dad at the army recruitment centre, Sayid can be seen on TV in the background.
This is the first time highly flirtatious Kate and Jack kiss!
Kate: And every time I look at Sawyer, every time I feel something for him... I see you, Wayne. It makes me sick.
Sawyer: Mmm, that's about the sweetest thing I've ever heard.
Hurley: Soo... Rose's husband's white. Didn't see that one coming.