Lane is shocked to realise she has feelings for Zach and they start dating, but she surprises them both by revealing she wants to wait for marriage before having sex.
In the season finale, Rory has been charged for the yacht theft and announces she is dropping out of Yale.
Lorelai refuses to let her come home so Richard and Emily let her move into the pool house and get a job, hoping she will change her mind.
The fifth season of Gilmore Girls, an American dramedy television series, began airing on September 21, 2004 on The WB television network.
The season concluded on May 17, 2005, after 22 episodes. The season picks up at the exact point the previous season ended, with Lorelai embarking on a relationship with Luke and Rory beginning an affair with married Dean.
Dean provokes an argument with Lindsay after leaving Rory's house.
Emily decides to go to Europe and invites Rory to accompany her. is milking his injuries for all he's worth, but Luke decides that it's time to go home after seven weeks on the Ren Faire circuit.He and Rory try dating again but have difficulty spending time together and quickly split for good.Christopher reveals that Sherry has left him to look after Georgia alone and asks Lorelai for help.They reconcile and renew their vows with Rory as best man and Lorelai as maid of honour.Emily invites Christopher and encourages him to pursue Lorelai, resulting in Luke and Lorelai splitting for a time and both Lorelai and Rory falling out with Emily, although Rory continues to attend Friday night dinners alone as part of their deal.After Lindsay finds Rory's letter, she throws Dean and all his possessions out of the house, and her mother has an angry confrontation with Lorelai in the town square. Rory is saddened when Dean expresses regret for the shift in their relationship and the harm it caused to his wife and their families.