“Ghost Gun”    NCIS: LOS ANGELES, Sunday, Oct. 23 (8:30-9:30 PM, ET/8:00-9:00 PM, PT), on the CBS Television Network. Note the different start times for the East and West Coast. There may be a late start for the East Coast show if football runs over, but CBS will keep folks updated via social media. The sneak peeks showing Martin and Roberta and Martin and Hetty make this  a must see episode!!!