CBS | 9:00 pm
Time is of the essence in finding Hetty (Linda Hunt), who is undergoing torture as a captive in Vietnam, in the new episode "Cac Tu Nhan." Eric and Nell (Barrett Foa, Renee Felice Smith) get a lead on where she’s being held, sparking an immediate rescue mission led by Callen and Hanna (Chris O’Donnell, LL Cool J). Carl Lumbly, John M. Jackson ("NCIS") and Jeff Kober reprise their earlier guest roles. Daniela Ruah and Eric Christian Olsen also star.