Sydney and Vaughn go undercover to track down a deadly new bio-weapon. Meanwhile, Sydney is concerned about Vaughn not having yet put Lauren behind, and Nadia turns to a Jack to ask for his help in finding out the truth about her mother's murder, who tries to throw Nadia away from the evidence pointing to him. Written by
Did You Know?
When Jack shows Nadia the picture of Irina holding her niece as a baby, the picture originally shows Irina holding her in her left arm, in the next shot it shows her holding her in the right arm, and then switches back to the left See more
My sister may look like an angel but her heart is as black as yours and mine.
Written by J.J. Abrams
Performed by Michael Giacchino See more