NCIS: Los Angeles

CBS | 8:30 pm

After a Russian bomber goes missing while flying over U.S. soil, Callen and Sam (Chris O'Donnell, LL Cool J) race to track it down and secure the weapons and intel before the Russians on board destroy the aircraft in "The Bear," the Season 12 premiere. Elsewhere, Hetty (Linda Hunt) gives Nell (Renée Felice Smith) a cryptic assignment. Vyto Ruginis guest stars; Daniela Ruah, Eric Christopher Olsen and Barrett Foa also star.