Citadel — Season 2, episode 6 watch online

Citadel, season 2 episode 6 «Highlands»: air date May 6, 2026. Episode overview, season trailer and the cast of Citadel.

As Joana accelerates the plan to assassinate the Russian President at the G8 Summit, Mason and Nadia take Abby to a safehouse in Scotland. But when they uncover the horrific truth about what was done to Abby, it triggers a devastating chain of events.