Navy team finds two missing aviators in Coral Sea, uncovering a terrorist plot.

Concerned about Blue, Doc breaks into her apartment, where DeShawn and Evie make a shocking discovery about one of their own.

The team's hunt for a high-value U.S. target accused of murdering an Australian soldier takes an unexpected turn when the suspect claims to have evidence of a war crime.

When a U.S. Navy pilot goes missing at a UFO hotspot, the team must discover if the truth is really "out there."

When a U.S. Navy attaché is found dead with a USB lodged in his throat, the team tracks a killer believed to have ties to an international chess tournament.

Confronted with Australia's first case of Ebola, the team races to uncover how patient zero, a U.S. Navy scientist, contracted the deadly virus, only to have their search for answers complicated by a top-secret military research agency.

While racing to locate the legendary "Yamashita's Gold," the crew must negotiate jurisdictional politics to unearth the truth after a U.S. navy officer is detained for murder while attempting to burn a treasure map.

The team looks at whether a superfan took justice into their own hands after learning that an American sailor accused of murder was the focus of a well-known true-crime podcast.

The team races to an Antarctica research base to investigate why a climate scientist killed a colleague on Polar Night Eve and make it out before their plane engine freezes and they're trapped in darkness for six months.

Mackey is tasked with secretly investigating alone the vanishing of her boss's son and his girlfriend.