Last night on a new episode of "Dual Survival" on Discovery viewers were shocked to hear that one person is not returning next season to the show. On Tuesday, IB Times shared some information that reveals who is leaving the show and how it all went down. Cody Lundin will not be back next season. Joe will be back on the show again. You can see Cody during the rest of season four of the show, but he will not be back for the fifth season.