J. Downing

The BAU prepares to lose a member of the team. Meanwhile, SSA Jennifer JJ Jareau attempts to reunite a family in Maryland whose daughter has disappeared mysteriously as she contemplates a job offer she cannot ignore.

Data acts as advocate for three intelligent machines, not realising that his decision may have dire consequences for Picard.

The Lightman Group's unique services are required by a troubled teenager who believes he was abducted as a baby. Cal and his team delve into the youngster's past to see if there are any secrets to unearth. Meanwhile, Loker investigates the origins of a deadly stampede at an electronics store the day after Thanksgiving.

Zoe hides her new friendship with AnnaBeth, who doesn't want Lemon to find out. Lemon campaigns to become the Belles' new Memory Matron.

Gibbs teams up with FBI Agent Fornell on a joint NCIS-FBI investigation after Fornell becomes the target of a shooting. But they face an unexpected twist in the case when their mutual ex-wife gets involved.

Grover must prevent a man who is accused of killing his wife from committing suicide.