Duncan Campbell

When Sam's friend Tom Olsen finds himself being hunted down by enemies from his past, the team must find out who is after him.

After an architect duo who specialise in designing secure buildings is kidnapped, the NCIS team mounts a search to bring them home; Deeks and Kensi realise they may need to get Rosa some help with her schoolwork.

While investigating the murder of a Navy lieutenant in Los Angeles, the team discover that she smuggled classified surveillance briefs into the city.

Former spy Jennifer Kim is taken out of the witness protection program, in order to assist Callen and Sam in locating a spy who is in possession of a hoard of bomb-making materials.

NCIS is called to investigate after Rear Admiral Ted Gordon is abducted from his home; Kensi struggles with being the fun parent while Deeks apartment hunts with his mum.

Sam is sent on an undercover mission when the daughter of a known counterfeiter arrives in Los Angeles. Callen and Anna team up to track the family's most recent scheme.