The Reagans' festivities are ruined when Henry is taken ill and the family worry they will lose their patriarch. Danny and Jackie also investigate a suicide.
Holmes and Watson must dig for clues as they investigate the murder of an archaeologist; Sherlock falls out with Alfredo.
The Enterprise crew are caught in a culture clash between two races fighting for survival when the crew's rescue of a missing Earth colony leads to the discovery of a civilisation composed entirely of clones.
Goren and Eames discover three bodies all with one thing in common: their children have been placed on a waiting list for an exclusive preschool.
Detectives search for the killer of a physician who had a dangerous sex life; an attorney maintains murders are a result of too much television.