Episode Title:The Depths.Episode Description:Hunk and Lance crash-land underwater and follow a mermaid to a civilization whose queen promises to keep them safe and help find the others. While resting, Lance is kidnapped by a trio of mer-people who believe the queen to be mind-controlling the populace. Only after freeing Hunk of the control and capturing the queen do they realize that the queen was also mind-controlled and the Baku, which was a food source to the people, was really an alien predator beast. Lance channels a new weapon from his Blue Lion and kills the Baku, and as a thank-you the queen uses the old energy beacon, which brings Pidge to their rescue.