CIA Season 2 Episode 4 — Black Tie Optional

When a prominent investor begins selling highly sensitive information to Korean agents, the team must go deep undercover at a high-end gala event to prevent a deadly invasion. Meanwhile, Bill struggles with troubling discoveries of his father's past.

CIA Season 2 Episode 4 (“Black Tie Optional”) is episode 4 of 4 in Season 2 and first aired on October 26, 2026. It runs about 43 minutes. Directed by Cory Bowles. Written by Brendan Feeney. Guest stars include Dawn Olivieri, Owain Yeoman and Geoffrey Arend. CIA is a Crime and Drama series from CBS.