Persons Unknown

When Joe suddenly falls violently ill, the group becomes alarmed. Meanwhile Erika discovers an antidote, but refuses to give it to Joe unless he comes clean about his secret. Elsewhere, reporter Renbe and Kat attend Tori's funeral in Rome and discover that her father, the U.S. ambassador to Italy, is also investigating her disappearance.

All Episodes - Season 1

Episode 1

Pilot

Episode 2

The Edge

Episode 3

The Way Through

Episode 4

Exit One

Episode 5

Incoming

Episode 6

The Truth

Episode 7

Smoke and Steel

Episode 8

Saved

Episode 9

Static

Episode 10

Identity

Episode 11

Seven Sacrifices

Episode 12

And Then There Was One

Episode 13

Shadows in the Cave