All Episode in Season 21. Fall Out 2. Detente 3. Crimes and Punishment 4. Indivisible 5. White House Down 6. Let the Chips Fall 7. The Madness of King Tanz 8. Abre Sus Ojos 9. The Manchurian Candidate 10. Prisoners 11. Celebration Day 12. Hail Marry 13. Get Ready
An MIT grad student and a tech superstar bring a low-level Pentagon official a staggering discovery that an asteroid is just six months away from colliding with Earth.