When a naval officer is murdered while moonlighting in community theater, the NCIS team recruits a familiar face to help lead them to a ruthless international killer. Also, Kai enlists Whistler to open an investigation into an old friend turned criminal.

After an unknown shooter causes chaos at an annual Thanksgiving 5K, time is of the essence for the NCIS team to find the culprit. Also, Kasie joins Knight for Thanksgiving lunch at Knight’s sister’s house.

After a teen girl dies from fentanyl-laced pills, a vigilante goes on a killing spree and McCall becomes a suspect.

Mulder and Scully head to Ellens Air Force Base to investigate the mysterious case of a military test pilot who disappeared after experiencing strange psychotic behavior. While on the case, Mulder meets a mysterious man dubbed “Deep Throat” who claims to have classified information about his investigations into the paranormal.

The Enterprise arrives at a planet to establish diplomatic relations and finds itself in the middle of a “peaceful” war that threatens to destroy the ship.