Air date: 1/22/09

The body of a fireman is discovered in a lake and Booth is one of the suspects. The victim and Booth played hockey together. The investigation is conducted by FBI Agent Payton Perotta. During interrogation, sparks fly between Perotta and Booth. Brennan tries figure skating.

Hero in the Hold

Air date: 2/5/09

The evidence from the Gravedigger case has gone missing, and Brennan and Hodgins, who has not fully recovered from being buried alive, are suspected of taking it. On the night of a ceremony recognizing Brennan, Booth was knocked out, tasered, pumped full of drugs, and stuffed in a toy-like yellow submarine. When he gets out of the tiny submarine, Booth finds himself face to face with someone from his military past. The team works on locating Booth and finding who is behind the kidnapping, with the help of Booth's brother Jared.

The Princess & the Pear

Air date: 2/19/09

With Booth in hospital with a bad back, Brennan must work with Agent Payton Perrota to investigate the murder of a promotional model for ImagiCon. Their investigation leads them to discover that the murder of the woman might be linked to the possession of an age-old prop of an Excalibur from a famous French movie, La Mort d'Arthur.

The Bones that Foam

Air date: 3/12/09

A bungee-jumping couple plunged off of a hot-air balloon after getting married only to come face-to-face with a corpse lying at the bottom of the gorge. After ruling out suicide, Brennan, Booth and the Jeffersonian team try to determine the cause of death. When they notice an unknown substance oozing from the body, the lab is thrown into immediate lock down, and they realize they have only 24 hours to unravel the mystery before the bones disintegrate.