Dizi Adı: Alias
Bölüm Adı: Parity
Sezon/Bölüm: 1. Sezon 3. Bölüm
Yayın Tarihi: 14 Eki. 2001

Sydney’s life is in mortal danger as she is sent to Madrid to retrieve a 500-year-old sketch that contains a set of numbers and meets up with her deadly nemesis, K-Directorate agent Anna Espinosa. Meanwhile, Will delves deeper into the cause of Danny’s death and discovers a very strange anomaly.