1)Luke and Lorelai: The episode "So Good Talk"
I was in tears for the past two episodes and this one had me squeeling in the end.
When he comes to her and jus kisses her without saying a word and she welcomes the kiss back without asking for explanations. She just kisses him back and shuts the door closed
2)Ross and Rachel: The series finale when she comes to Ross' apartment and tells him that she loves him and is gonna stay with him. SO emotional awww...And I was so in a "They got the happy ending" kinda mode
3)Dawson and Joey: -The Perfect wedding: I love this episode of season 2 when she dances with him and thanks him for having always been there when she needed him the most and then tells him that she loves him while the song "It feels like home" plays in the background. Just beautiful.
-Swan Song: when Joey runs after Dawson at the airport and tells him that she loves him and he is a huge part of her past present and future. That scene was the best scene of the whole season. Emotional,moving,happy and soo romantic.