While Rory is trying to maintain her long-distance relationship with Logan , he returns to the area for business.

In of Gilmore Girls , titled " The Great Stink ," the town of Stars Hollow is literally under siege by a foul odor, while the personal lives of Lorelai and Rory face their own complicated "stenches." Stars Hollow: The Pickle Predicament

The episode's title refers to a literal disaster in Stars Hollow: a train carrying a full load of pickles derails nearby. The resulting smell of fermenting cucumbers permeates the entire town. As usual, Taylor Doose is at the center of the chaos, refusing to pay for the cleanup and leaving the residents to suffer through the olfactory assault.

Christopher receives a letter from his ex, Sherry, who is living in Paris. She expresses deep regret for abandoning their daughter, G.G., and asks for her to come visit. Lorelai encourages Christopher to be open and honest about it, contrasting the "blank look" and lack of communication she experienced in her previous relationship with Luke. Rory and Logan: Cultural Clashes

In a major milestone, Lorelai and Christopher attend Friday night dinner at Richard and Emily's as a couple. To Lorelai’s surprise (and perhaps discomfort), her parents are delighted by the pairing.

Lorelai is officially dating Christopher , and the two are attempting to integrate their lives.

Lorelai finds herself in the middle of Christopher's parenting dilemma, ultimately helping him navigate how to handle Sherry’s sudden desire to be involved in G.G.'s life. 'Gilmore Girls' Season 7, Episode 5: The Great Stink