Immigration issues arise due to a sick child; Kirkman experiences D.C. street life after a mugging.
: Several main characters from previous seasons—including Mike Ritter , Lyor Boone , and Kendra Daynes —do not appear due to creative changes. Additions :
In the third and final season of , President Tom Kirkman faces his first real election campaign while managing a national security crisis involving bioterrorism . Released on June 7, 2019, after the show moved to Netflix , this season shifted toward a more cynical tone and addressed mature themes, including "fake news," campaigning ethics, and complex social issues. Core Storylines Designated Survivor - Season 3
: A tech-savvy staffer who is HIV-positive, adding a storyline about health and disclosure.
Kirkman launches his campaign; a disastrous State of the Union address creates fallout. Immigration issues arise due to a sick child;
: Aaron Shore's girlfriend and a White House staffer.
(Anthony Edwards): The new White House Chief of Staff. Additions : In the third and final season
Fake news goes viral; Emily’s mother makes a difficult medical request.