-Kurogane lecturing Fye (not that I am a fan of this couple or anything. I most definetly am not. No. No way. I won't... I mustn't... mustn't think they're cute together...)
-Sakura singing. That song so gives me goosebumps. Also any flashback from their childhood, as those remind me of how cute they were in CCS, plus making me all snuggly and warm on the inside. I especially like the scenes between Fujitaka and Shaoran.
-Mokona telling Fye that he can be truly happy, that he doesn't have to fake it. Why, because I love seeing my favourite characters miserable. Suffer, suffer! Bwahaha!
Edit: Forgot to mention -every Touya/Yukito moment, as well as the short glimps we get of Tomoyo (that princess outfit and hairdo fits her very well, don't you think?)