Michelle Ongkingco

Cristina, Izzie and Meredith aggressively pursue the case of Shane, a male patient who seems to have a hysterical pregnancy, which fascinates them and the entire medical staff; and a sheltered young patient inspires Alex to better express his feelings for Izzie.

Ryan travels to Mexico-with a stubborn Seth in tow-to put an end to his turmoil in the only way he knows how, but he comes up empty in quest for revenge. Meanwhile, Seth meets some new friends in Mexico, who help him find what he is looking for.

Taylor is sure the remedy for Ryan's sleeplessness is...Taylor! Plus: Summer is set up to take the fall for lawbreaking activism at Brown. And Kailtlin and Julie eye the same himbo.

Lorelai and Christopher (recurring guest star DAVID SUTCLIFFE) have resumed their relationship, and although Lorelai is finding it difficult to fully commit to him, Christopher keeps coming up with romantic dates to win her over. Meanwhile, at Yale, Rory meets some eccentric new girlfriends at an art exhibit, and Richard becomes a guest lecturer. Also, April (recurring guest star VANESSA MARANO) comes to stay with Luke for a few weeks while her mother, Ana (recurring guest star SHERILYN FENN), is out of town. And when Emily gets arrested, Lorelai must bail her out of jail.

Christopher (recurring guest star DAVID SUTCLIFFE) and Lorelai take his daughter, G.G. (recurring guest star NICOLETTE COLLIER), to visit G.G.'s mother in Paris. Despite severe jet lag, Christopher and Lorelai manage to have a wonderful, romantic time enjoying the city and each other. Back in Connecticut, Rory comes to the end of her tenure as editor in chief of the Yale Daily News and suddenly finds herself unsure of her future. Her new friends Olivia (recurring guest star MICHELLE ONGKINGO) and Lucy (recurring guest star KRYSTEN RITTER) suggest a trip to Stars Hollow for a girls' night while Lorelai is out of town. Upon returning, Rory is surprised to find that Lucy's new boyfriend is Rory's old friend Marty (recurring guest star WAYNE WILCOX), who pretends not to know Rory. And later, Christopher and Lorelai return home with a surprise for everyone.