When Dave’s amateur band loses its lead singer just before a gig, Tina offers to fill in; Marty quickly regrets letting his needy boss crash at his new place.

Pratt and a new doctor on the scene disagree on how to teach the interns. Gates treats a young woman with serious heart problems. Abby heads to Croatia, and ponders…

The CSI are called to three different crime scenes in one night that are seemingly unrelated, but each case’s forensic evidence reveals a common link

Speedle and Delko are present when a trendy nightclub catches fire, apparently from a DJ’s pyrotechnics display, killing sixteen people and injuring dozens of others. But the ensuing investigation reveals…

When home invasions involve the murder of entire families, the BAU is called to Denver to identify the killers who possibly have been abused while in foster care.

When home invasions involve the murder of entire families, the BAU is called to Denver to identify the killers who possibly have been abused while in foster care.