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Abby Normal is the twentieth episode of the tenth season of ER, and the two hundred twenty-second episode overall.
Guest Stars: Thandie Newton (Kem Likasu), Scott Grimes (Dr. Archie Morris), Daniel Dae Kim (Ken Sung), Maury Sterling (Dr. Nelson), Abraham Benrubi (Jerry), Yvette Freeman (Haleh), Patrick Kerr (George Deakins), Laurence Cohen, James Earl (Elgin Gibbs), Bruce Gray (Carter Board Member), Seth Isler, Archie Kao (Yuri), David Kaufman (Nick Dunn), Betty McGuire (Carter Board Member), John Prosky (Mr. Brooks), Kevin Sussman (Colin), Renee Victor (Florina Lopez), Michael Gross (John "Jack" Carter), Julianne Nicholson (Jordan Dunn), Lynn A. Henderson (Olbes), Demetrius Navarro (Morales), Catherine Ai (Nurse Dorothy), Perry Anzilotti (Perry), Luis Chavez (Roger), Jennifer Echols (Estelle), Mitch Hara (Stanley), Aisha Hinds (Administrator), Hawthorne James (Hawthorne), Sunil Malhotra (Lloyd), Micole A. Nunez (Little Girl), Erin O'Shaughnessy (Christine), Don Oscar Smith (Bob), Lucia Vincent (Fran)
While still on her psychiatric rotation, Abby treats a young mother suffering from pseudoseizures and tries to figure out the real reason why she's having them; Weaver considers leaving town with Henry despite a court order which allows Sandy's parents to have visitation with him; Kem returns to Chicago and Carter's father is less than thrilled about her; Carter announces new changes to his family's foundation; during her research rotation, Neela helps out one of the students after he experiments on himself using ketamine; Sam's ex-boyfriend returns to town.