While Season 5 (2017) exists as a revival, the originally intended series finale is the Season 4 finale. For many fans, this is the "true" ending. The Original Finale: Season 4, Episode 22 – "Killing Your Number" (2009) The Setup: The team has finally obtained "Scylla" (the Company's data drive). Michael has a brain tumor that requires immediate surgery. The final enemy is General Krantz.