Sleeper — [s7e20]

: Includes Mackenzie Astin (Bilal) and Maya Stojan (Lanie's medical examiner colleague).

A recurring dream—triggered by a brief news report about a Russian man named Ilya—leads Castle to seek help from Beckett's therapist, Dr. Burke. The investigation intensifies when a mercenary from Castle’s dream is found dead with a bullet to the forehead. [S7E20] Sleeper

While Castle is the most direct match for "S7E20 Sleeper," the following shows also have a 20th episode in their 7th seasons: : Includes Mackenzie Astin (Bilal) and Maya Stojan

: The urgency was due to a major imminent terror attack, meaning the CIA could not wait for Castle’s wedding to finish. Key Thematic Elements [S7E20] Sleeper

: Bilal was nearly killed meeting his CIA contact and demanded someone famous and familiar to him to guarantee his safety for the next meeting.