Season 5 Episode 18

full size Brennan and Booth Fish for Clues in Season 5, Episode 18: "The Predator in the Pool"
Credit: Greg Gayne/FOX

Title: The Predator in the Pool
Air Date: April 22, 2010 at 12:00 AM PDT

The team is on the case when the remains of a man turn up in the stomach of a hammerhead shark. Someone new shows up at the Jeffersonian and becomes romantically attached to Booth.