Grace Period
| Episode Number | 19 |
|---|---|
| Season | 4 |
| Aired | 2007-04-03 |
| Overview | When a weekend call to the NCIS tip line from an unknown source about possible terrorist activity results in the death of two agents sent into a trap, the NCIS team will have to find out who were the people responsible with the help from Agent Paula Cassidy, who holds herself responsible for the tragedy. |
| Runtime | 45 minutes |
| Absolute Number | 89 |
| Finale Type |