Kelly Holden Bashar

Leslie (Amy Poehler) enlists the help of Dave (guest star Louis C.K.) and Andy (Chris Pratt) in order to catch a local teen vandal. Meanwhile, Ann (Rashida Jones) struggles to make her Halloween party fun, and gets help from an unlikely source. Aziz Ansari, Nick Offerman and Aubrey Plaza also guest star.

Team Scorpion heads to the bayou to track down a cagey alligator in order to stop a deadly mosquito-borne virus, and Paige teaches Walter the concept of the "white lie." Also, Walter hits Cabe with a tranquilizer gun and Toby must save his life, and Sylvester and Ralph help Patty when the mean girls at her school force her to get a dreaded tardy slip.

While calling Lorelai from Rome, Rory admits that she complicated her relationship with Dean (recurring guest star JARED PADALECKI). Lorelai gives Dean a letter from Rory, but Dean's wife, Lindsay (recurring guest star ARIELLE KEBBEL), finds the letter and makes Dean move out of the house. Rory returns from Europe, and a terrible argument ensues when she and Lorelai encounter Lindsay and her mother. Meanwhile, Luke returns to Stars Hollow after spending several weeks helping his injured sister, Liz (recurring guest star KATHLEEN WILHOITE), on the Renaissance Fair circuit. Luke and Lorelai try to find a private spot to say hello but are interrupted by a town parade.

Though executed well, Avery misunderstands the objective of her life skills class and receives an unfortunate grade.

Max pursues Nashit (recurring guest star AUSTIN FALK), a handsome new waiter at The High, despite the “no hook up” rule of the restaurant’s owner, Joe (recurring guest star SANDRA BERNHARD).