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Season 1 - Sep. 30, 2001
Season 2 - Sep. 29, 2002
Season 3 - Sep. 28, 2003
Season 4 - Jan. 05, 2005
Season 5 - Sep. 29, 2005

Alias Season 4 Episode 6
HD
Overview:
After being infected with a hallucinogen, Sydney starts to lose touch with reality. Vaughn and Jack must rush to find an antidote before Sydney puts her life – and others next to her – into danger.