. . . . . . . "\"And Those We've Left Behind\" is the sixth episode of the fourth season of the Fox science-fiction drama television series Fringe, and the series' 71st episode overall. The episode dealt with the Fringe team's investigation of a series of time loop fatalities.Robert Chiappetta and Glen Whitman co-wrote \"And Those We've Left Behind\", while Brad Anderson directed."@en . . . "And Those We've Left Behind"@en . "4"^^ . "2011-11-11Z"^^ . "6"^^ . .