"Goodbye Yellow Brick Road" is the eighteenth episode of season one of FlashForward. It first aired in the United States on April 29, 2010 on ABC. Janis Hawk is secretly recruited twice. The Mosaic Investigation learns that the blueprints Mark discovered are for a form of date computer. Mark Benford discovers that the white queen on his Mosaic Investigation wall contains a valuable clue. Olivia Benford encounters the enigmatic Gabriel McDow. Janis is ordered to kill.