NCIS: Sydney 1x07 "Bunker Down" Season 1 Episode 7 Promo Trailer HD - When a U.S. Navy researcher is found dead at a glitzy tech launch in a secret underground bunker, part of the team heads over to investigate, only to find themselves trapped inside with limited oxygen when the bunker fails to open, on the CBS Original series NCIS: SYDNEY, Tuesday, January 16th on CBS, and streaming on Paramount+ (live and on demand for Paramount+ with SHOWTIME subscribers, or on demand for Paramount+ Essential subscribers the day after the episode airs).