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Cipher
Sydney must outwit Sark in order to find a crucial piece of intel. Meanwhile, Jack faces Sydney's mother for the first time in almost 20 years. Will finally meets Vaughn and Sloane is haunted by his wife's death.
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Other episodes for this season
![The Enemy Walks In](https://image.tmdb.org/t/p/w300/rz7MYBTEje2KQzPPBlsFTLUIt6J.jpg)
![Trust Me](https://image.tmdb.org/t/p/w300/34aRRuuus7BPggUkd6FoTNGwn6W.jpg)
![Cipher](https://image.tmdb.org/t/p/w300/i6uDHT4oHJQcz4bf3glmscOELxt.jpg)
![Dead Drop](https://image.tmdb.org/t/p/w300/vo2j1JsCxAHVWTQ0f5XEj3nG01m.jpg)
![The Indicator](https://image.tmdb.org/t/p/w300/95o9N89hUhAhRm3SxjQA9JqvGGp.jpg)
![Salvation](https://image.tmdb.org/t/p/w300/aTnexmyMvQGGRPUslUtd7xfq61z.jpg)
![The Counteragent](https://image.tmdb.org/t/p/w300/lPJBSDMs9aci8ByaO8VpKjs7b0E.jpg)
![Passage (1)](https://image.tmdb.org/t/p/w300/ixKs9kSNZVfPG2IRqba7Y3DvAWW.jpg)
![Passage (2)](https://image.tmdb.org/t/p/w300/5ehvsV0Vcpj4Fy3H4BNcO418CDs.jpg)
![The Abduction](https://image.tmdb.org/t/p/w300/l7AmPr0gV2kBJrZXUOQmBcfWwa7.jpg)
![A Higher Echelon](https://image.tmdb.org/t/p/w300/gZrbdF86okq7gLMwZui5R4PHdIR.jpg)
![The Getaway](https://image.tmdb.org/t/p/w300/en6Lydh5WFyawDgfNyPKpdd27bu.jpg)
![Phase One](https://image.tmdb.org/t/p/w300/yLp2Xuhq3GTzVsQcXU5VgkY6Smu.jpg)
![Double Agent](https://image.tmdb.org/t/p/w300/qSd1uXxG82hNYRLzV2cJKPdDAF0.jpg)
![A Free Agent](https://image.tmdb.org/t/p/w300/od4cr7sj90y7ITHVIU7yVWln9Ae.jpg)
![Firebomb](https://image.tmdb.org/t/p/w300/6PRLPZ8U2x5LYZvqDkzlJlKg1g9.jpg)
![A Dark Turn](https://image.tmdb.org/t/p/w300/4P3JNcEs2o6CYCMCdzzBNJP31IZ.jpg)
![Truth Takes Time](https://image.tmdb.org/t/p/w300/djt4SytTnxph695asKX2w6MTXji.jpg)
![Endgame](https://image.tmdb.org/t/p/w300/pNJd1vrqSuRW1aEx9CCJJtTtVm3.jpg)
![Countdown](https://image.tmdb.org/t/p/w300/v173YHmilMDqiH2xAXYGZn7X1Rb.jpg)
![Second Double](https://image.tmdb.org/t/p/w300/4YZE8gudYMZHPCFl1RjNDcDFZnc.jpg)
![The Telling](https://image.tmdb.org/t/p/w300/nbUlBlH45F9voKLwoyyhb4ItSLU.jpg)