Bones: Season 2, Episode 13

2 - 13: The Girl in the Gator

When Booth is ordered to go see a psychiatrist (guest star Stephen Fry) after irrationally discharging his firearm (at the clown on the top of an ice cream truck), Brennan is paired up with Agent Tim Sullivan to investigate the apparent murder of a college student in the Everglades, and by the time the case is solved Sullivan and Brennan express their mutual interest in each other.