S06E17: "I'm OK, You're OK"
Rory forgives Logan for his indiscretions, then needs some time for herself, so she pays a visit to Lorelai in Stars Hollow. Although Lorelai refuses to admit that she is upset, Rory can tell that she is bothered by the news that Luke will be gone for a few days on a field trip with his daughter, April. Against Lorelai's wishes, Rory pays a visit to the store owned by April's mother, to spy on her. Meanwhile, when Zack finally works up the courage to ask Mrs. Kim for permission to marry Lane, he is surprised at the deal she makes with him.