Black Sky (episode)

Black Sky is the twenty-second and final episode of NCIS Season 20 and the 457th episode of the entire NCIS series. 
This episode also marks the final appearance of Donald Mallard, as the actor David McCallum passed away on September 25th, 2023 at the age of 90 due to natural causes.
==Synopsis==
After learning of an impending terrorist attack, the NCIS team race to stop it from occurring on U.S. soil with Torres going undercover at a prison.
==Prologue==
==Act One==
==Act Two==
==Act Three==
==Act Four==
==Act Five==
==Trivia==
*In the beginning scene where Torres is being escorted to his cell, Executive Producers Steven D. Binder and Mark Horowitz have a brief cameo as prisoners.
*Wilmer Valderrama (Nick Torres) reads the "Previously on NCIS" line.
==Cast==
===Series Regulars===
Name 	Portrayed by 	Role
Timothy McGee 	Sean Murray 	Senior Agent for the NCIS Major Case Response Team.
Nicholas Torres	Wilmer Valderrama	Special Agent for the NCIS Major Case Response Team.
James Palmer 	Brian Dietzen 	Chief Medical Examiner for the NCIS Major Case Response Team.
Kasie Hines 	Diona Reasonover 	NCIS Forensic Specialist.
Jessica Knight 	Katrina Law 	NCIS Special Agent.
Donald Mallard 	David McCallum 	NCIS Historian.
Leon Vance 	Rocky Carroll 	NCIS Director.
Alden Parker 	Gary Cole 	Special Agent in Charge of the NCIS Major Case Response Team.
===Recurring Cast===
Name 	Portrayed by 	Role
Yuri Valkov 	Themo Melikidze	Russian handler and son of Kostya Valkov.
Viktoria Valkov	Juliette Goglia	AKA "Evelyn Shaw", she is a Russian spy and Delilah's former TA.
Lucia Campbell 	Pilar Holland 	NCIS Special Agent Nick Torres's sister and a Major in the United States Marine Corps. Voice only. Uncredited role.
===Guest Cast===
Name 	Portrayed by 	Role
Kostya Valkov 	Ilia Volok 	Yuri Valkov and Viktoria Valkov's father.
Reymundo De Leon	Michael Garza 	
Maurice Riva 	Al Sapienza 	Reymundo De Leon's stepfather.
Lev Trotski 	Chris Petrovski	
Boris Popov 	Morrison Keddie	
Otis Glazebrook 	Jeff Boehm 	Prison Detention Officer.
  v - [ e] - dNCIS Season 20
♦ A Family Matter (episode) ♦ Daddy Issues (episode) ♦ Unearth (episode) ♦ Leave No Trace (episode) ♦ Guardian (episode) ♦ The Good Fighter (episode) ♦ Love Lost (episode) ♦ Turkey Trot (episode) ♦ Higher Education (episode) ♦ Too Many Cooks (episode) ♦ Bridges (episode) ♦ Big Rig (episode) ♦ Evil Eye (episode) ♦ Old Wounds (episode) ♦ Unusual Suspects (episode) ♦ Butterfly Effect (episode) ♦ Stranger in a Strange Land (episode) ♦ Head Games (episode) ♦ In the Spotlight (episode) ♦ Second Opinion (episode) ♦ Kompromat (episode) ♦ Black Sky (episode)
Category:NCIS Episodes
Category:NCIS Season 20 Episodes
Category:NCIS Season Finale Episodes
Category:NCIS Episodes written by Brendan Fehily
Category:NCIS Episodes written by David J. North
Category:NCIS Episodes directed by Diana C. Valentine