Season 4, Episode 1: Authorized Personnel Only Pt. 1

Drama • TV-14 • Directed by: Alias • 43 minutes

Sydney, Vaughn, Jack and Dixon are stunned by CIA Director Hayden Chase's (Angela Bassett) choice to be their new boss. Meanwhile, Sydney and Vaughn's possible reconciliation is surprisingly in doubt -- even though Lauren is dead -- and Sydney learns an appalling secret about Jack that threatens to destroy their relationship.