Below you can find all available spoilers from official episode guides for the 2-hour midseason return of The Event "And Then There Were More" (episode 11) and "Inostranka" (episode 12).
THE WHITE HOUSE AND SLEEPERS GRAPPLE WITH THOMAS'S PLAN
- President Martinez and his longtime Chief of Staff (guest star Roger Bart) charge the intelligence community with decrypting Thomas's satellite message, but more importantly determining to whom it was sent. While they are distracted, Thomas unveils a surprise attack, but he does not anticipate a heroic stand-off with Blake Sterling, who learns an important lesson about Sleepers from Maya (guest star Clea DuVall).
- Newly appointed Alaskan Senator Catherine Lewis (guest star Virginia Madsen, "Sideways") threatens to divulge information about the Mt. Inostranka detention facility on an episode of "HARDBALL with Chris Matthews" (playing himself).
- Sean and Leila get a fresh lead on the whereabouts of Samantha, but it leads them to a dramatic turn in their lives.
- James Dempsey foresees that he and Sean will once again cross paths.
- While the intelligence community tries to decrypt Thomas's message, he launches a surprise attack.
- Blake Sterling learns important information about Sleepers.
- A politician threatens to reveal information about the Mt. Inostranka detention center on TV.
- Sean and Leila get a lead on Samantha.
- Roger Bart, Hal Holbrook, Virginia Madsen, Clea Duvall, Chris Matthews guest star.