Sydney Bristow, an agent who has been tricked to believe she is working for the U.S. government, is actually working for a criminal organization named the Alliance of Twelve. Upon learning this, Sydney becomes a double agent for the real CIA.
Season 0
2 Episodes
Season 1
22 Episodes
Season 2
Season 3
Season 4
Season 5
17 Episodes
E1 Truth Be Told
E2 So It Begins
E3 Parity
E4 A Broken Heart
E5 Doppelgänger
E6 Reckoning
E7 Color Blind
E8 Time Will Tell
E9 Mea Culpa
E10 Spirit
E11 The Confession
E12 The Box (1)
E13 The Box (2)
E14 The Coup
E15 Page 47
E16 The Prophecy
E17 Q & A
E18 Masquerade
E19 Snowman
E20 The Solution
E21 Rendezvous
E22 Almost Thirty Years
