Douglas Rowe

On Carter's first full day, the ER is overwhelmed when it is flooded by a tour group and a wedding party that both contracted food poisoning at the same restaurant.

While the Enterprise crew plays host to a witty, renegade captain, Data struggles to acquire a sense of humor.

While introducing Lorelai to his sister's new baby, Luke shares a sweet moment with her. But when Christopher (recurring guest star DAVID SUTCLIFFE) witnesses the scene, he becomes concerned that Lorelai isn't fully committed to their marriage. Later, the two fight over whether or not they should exchange vows at the elaborate wedding party that Emily is hosting for them. And Luke and Christopher have an ugly confrontation on the streets of Stars Hollow. Meanwhile, upon discovering that Rory and Marty (recurring guest star WAYNE WILCOX) have been pretending that they just met, rather than admitting their previous friendship to Rory's friend Lucy (recurring guest star KRYSTEN RITTER), Logan reveals the truth to her. Also, Emily gives Lorelai a warning about her marriage. And Luke contacts a lawyer over his custody troubles with Anna (recurring guest star SHERILYN FENN).

After noticing Sookie's recent odd behavior, Lorelai forces Jackson (recurring guest star JACKSON DOUGLAS) to tell her the reason for it. Meanwhile, Luke and Anna (recurring guest star SHERILYN FENN) attend a hearing to decide their custody battle over April (recurring guest star VANESSA MARANO). With help from Paris, Rory finally makes amends with Lucy (recurring guest star KRYSTEN RITTER), who tells her that she and Marty (recurring guest star WAYNE WILCOX) have broken up. While attending Richard's economics class at Yale, Rory witnesses a frightening scene. And Christopher (recurring guest star DAVID SUTCLIFFE) finds the character reference that Lorelai wrote for Luke and confronts her.

Jessica (Angela Lansbury) becomes involved when Seth's (William Windom) former Army buddy (Gerald S. O'Loughlin) arrives in Cabot Cove and is accused of murdering his new employer (Cliff DeYoung). Guest star: Robert Lansing.