Das wrote...
Obvious baws are obvious so I'll just name a scene that made me sad even though it wasn't it's intention.
The sports equipment shed scene with Kyou in season one not advancing any further :D.
Don't worry. Soon, you'll be seeing a lot more Kyou
ANyways, ALL the sad scenes made me baw (except when Tomoya carried Nagisa when she was hit by Tomoyo's ball, and the girls finally realized that Tomoya has chosen Nagisa), but the saddest , I have to admit, that made me baw the most are these two episodes:
When, after watching the whole Fuuko route, the day of Fuuko's sisters wedding
and
When Tomoya and Ushio went back to Tomoya's hometown