ER: Touch and Go

Carter returns to County General to a hearty welcome. Although Abby is shocked to learn that Carter's beautiful African girlfriend, Kem, is already pregnant with Carter's child, Abby has moved on with her life as well, going back to medical school. Meanwhile, Pratt's day starts off badly when Gallant finds out that Pratt has been having sex with Valerie, Gallant's attractive sister.