Patrick Mulvey

An out of control apartment building fire finds Casey laying it all on the line.

Ruzek's father (Jack Coleman) is first on the scene of a double murder; Lindsay prepares for an undercover investigation in Bolivia; Roman and Burgess try to move forward.

The night before Kate's wedding, Kevin's love life takes an unexpected turn.

DiNozzo remembers his time in the Baltimore Police Department when he chases a suspect from a 15-year-old case.

Community unrest over the police shooting of an unarmed man forces Mac and the team to move quickly to solve the case.

Kate and Toby's relationship evolves over a few years.