Halloween night finds the ER awash with allergic or otherwise incapacitated children. Kerry tolerates a visiting candidate for chief while she waits for the official vote. Romano operates on an 11-year-old girl and finds she's genetically male. Carter leaves Lucy in charge of a dorm party he's supposed to be overseeing, with unfortunate results. Mark learns that Jenn's moving to St. Louis--with Rachel. Mark and Carol treat a pregnant schizophrenic.
Quest roles:
Paul McCrane(Robert Romano), Lily Mariye(Lily Jarvik), Conni Marie Brazelton(Connie Oligario), Ellen Crawford(Lydia Wright), Abraham Benrubi(Jerry Markovic), Christine Harnos(Jennifer Greene), Yvonne Zima(Rachel Greene), Deezer D(Nurse Malik McGrath), Emily Wagner(Doris Pickman), Mike Genovese(Officer Al Grabarsky), Montae Russell(Dwight Zadro), Laura Ceron(Nurse Chuny Marquez), Lisa Nicole Carson(Carla Reece), Gedde Watanabe(Yosh Takata), Kristin Minter(Randi Fronczak), Matthew Glave(Dale Edson), Vince Vieluf(Bernard Gamely), Julie Bowen(Roxanne Please), Kevin Berntson(Student), Justin Doran(Jay), Shannon Cochran(Mrs. Klingman), Christian Hoff(Med Student), Philip Casnoff(Dr. Dan Litvak), Angelo Tiffe(Mr. Klingman), Brian Leckner(Lloyd), Monica Mikala(Barbie Klingman), Tim Halligan(Howard), Jana Lee Hamblin(Cheryl Leary), Morina Pierce(Amanda), Evan Sabara(Jared Leary), Sheila Kelley(Coco Robbins), Jimmie F. Skaggs(Joe Chattarowski)