Hide and Seek
performed by Imogen Heap

Hide and Seek is a 2005 American-German psychological horror-thriller film starring Robert De Niro and Dakota Fanning. It was directed by John Polson. The film opened in the United States on January 28, 2005, and grossed $122 million worldwide. Rotten Tomatoes cited praise for De Niro and Fanning for their performances, though its consensus called the film "derivative, illogical and somewhat silly". Fanning received an MTV Movie Award for Best Frightened Performance in 2005.

A revolver is found in the affairs of a 12-year-old son of a lieutenant commander in the Navy. Gibbs and the team are dispatched to find out the origin of the weapon. Things get complicated when Abby finds brain matter on the weapon.