NCIS: Los Angeles returns with new episodes Monday night (January 5), and CBS has released some preview images and a description for the episode, which is called “Spiral.”

While Callen is undercover in the mail room of an office building to investigate an arms dealer, it is taken over by terrorists and Callen becomes a hostage. When the team arrives to help, they discover the entire building is wired with explosives, on NCIS: LOS ANGELES, Monday, Jan. 5 (9:59-11:00 PM, ET/PT) on the CBS Television Network.
NCIS: LOS ANGELES
"Spiral" -- Pictured: LL COOL J (Special Agent Sam Hanna). While Callen is undercover in the mail room of an office building to investigate an arms dealer, it is over taken by terrorists and Callen becomes a hostage. When the team arrives to help, they discover the entire building is wired with explosives, on NCIS: LOS ANGELES, Monday, Jan. 5 (10:00-11:00 PM, ET/PT) on the CBS Television Network. Photo: Michael Yarish/CBS é2014 CBS Broadcasting, Inc. All Rights Reserved.
Guest stars in “Spiral” include Ella Scott Lynch (Dr. Karen Ward), Brian Glanney (Crew Foreman), Patrick Gallagher (Don The Security Guard), Jordan Belfi (Tom Blanchard), Mia Serafino (Lisa Welsley), Ciaran McCarthy (Masked Tech Specialist), Liz Jenkins (Hostage Woman), and Zachary Garred (Masked Man #12).