: A brand-new, high-tech CTU New York headquarters is introduced, featuring a fresh cast of analysts including Dana Walsh, who harbors a dangerous secret.
: The season evolves from a local threat into a massive international conspiracy involving the Russian government. 24 - Season 8
: President Allison Taylor risks her legacy to ensure the signing of the IRK peace treaty, even as it becomes compromised by corruption. : A brand-new, high-tech CTU New York headquarters