Ep 5. Once a Crook

After a petty officer dies in a car crash, the NCIS team discovers his past criminal record, who is also connected to an arms dealer. They soon find out that the officer was actually on a covert operation for the FBI to bring down the arms dealer. As they investigate further, they encounter complications and cover-ups of the operation that shock them. Meanwhile, Tony's father, Anthony DiNozzo Sr., pays a surprise visit to the NCIS headquarters, where he spends time bonding with his son, Tony, and attempts to reconnect with his ex-wife, Gloria. However, things don't go as smoothly as planned when a scandalous photo of Anthony appears on social media, and McGee believes he may have misled Tony's father into divulging confidential information about their case. With multiple storylines unfolding, the episode keeps viewers engaged until the very end.