Lewis's busy workload threatens to keep her from an important date with Hollander (Bob Newhart); Kovac and Corday clash over the treatment of a patient with questionable symptoms; and Sam's son spends a day underfoot at the ER. Meanwhile, Chen gets bad news from China about her parents. Alex: Oliver Davis. Coop: Glenn Howerton. Morris: Scott Grimes. Chuck: Donal Logue.