Marcus and Maria, now dating in secret, have to deal with the ramifications of Chico’s death.

On a mission to Vegas to kill Billy’s dad, Marcus accidentally takes way too much acid.

After a look into the future, Nathan’s shooter is revealed. Matt chases him and winds up in a desert. Hiro receives an important message from his father. Sylar visits Claire….

An explosion at a D.C. event that results in a casualty connected to the agency changes Parsons’ perspective on Gibbs and the NCIS team. Meanwhile, without badges, DiNozzo and McGee…

When Castle and Beckett investigate the killing of a treasure hunter, they discover the case is linked to a mysterious homicide from 1947 involving a hard-boiled private detective. Castle realizes…