Every season of The Enemy Within ever, ranked from best to worst by thousands of votes from fans of the show. The best seasons of The Enemy Within!

Erica Shepherd is a brilliant former CIA operative, now known as the most notorious traitor in American history serving life in a Supermax prison. Against every fiber of his being but with nowhere else to turn, FBI Agent Will Keaton enlists Shepherd to help track down a fiercely dangerous and elusive criminal she knows all too well. While Shepherd and Keaton have different motivations for bringing the enemy to justice, they both know that to catch a spy… they must think like one.

The Best Seasons of The Enemy Within

Every season of The Enemy Within ever, ranked from best to worst by thousands of votes from fans of the show. The best seasons of The Enemy Within!