News of Kovac's escape sends Booth scurrying to protect himself and those closest to him from the killer's most dangerous plan to date. Meanwhile, Brennan testifies on Zach's behalf at his trial while Aubrey and Jessica come to terms about their future together.moreless
The battered and burning body of an up-and-coming filmmaker lands on a moving car, opening an investigation of unusual locations and characters linked to his movie. Meanwhile, Brennan gets advice from Dr. Mayer on work and romance; and Booth makes way for Aubrey to take the lead on the current case.moreless
Booth, Brennan and Aubrey go undercover at a raucous demolition derby to investigate a terrible accident. Dr. Gordon Wyatt returns to lend a hand to Hodgins and Cam when the Gormogon case hits a dead end.moreless
Grief over a recent loss creates a rift between Booth and Brennan. Brennan is surprised by a visit from an old flame.
Booth delves into his past when dead bodies start turning up around Washington, D.C., that are linked to his old Army unit. Meanwhile, Brennan worries about her father but wonders if she can trust him after he doesn't tell her about a medical procedure.moreless
A dismembered body of a well-known golfer who became a lumberjack takes the team to the Lumber Sports Regional Championships, where they learn about an affair with a married rival that could have led to her murder. Meanwhile, Hodgins looks for evidence that could prove Zack's innocence.moreless
The murder of a tutor of well-to-do students turns up a long list of possible suspects, including unhappy parents and a roommate with a criminal history. Meanwhile, Brennan thinks she'd be a better voice for her audio book than the one chosen for her.moreless
Aubrey's dad resurfaces and immediately presents a moral dilemma for him. Meanwhile, the murder of someone from Booth and Brennan's past is investigated.
Drama at a retirement home ensues when an elderly man's body is found in an acid dump site, and conversation at the lab turns to discussions of marriage and children.
A body is identified as a man who helped manufacture artificial-intelligence bots, and the team wonders if his own creation had something to do with his death. Meanwhile, Brennan plans her own surprise for everyone on her 40th birthday.moreless
In the Season 12 premiere, the team searches for Brennan, who was kidnapped by former intern Zack Addy.
In the Season 11 finale, the search for the Puppeteer, a serial killer who turns his victims into marionettes, continues, but Brennan can't shake her guilt of failing to catch the perpetrator due to her brief period of retirement.moreless
A body is discovered at a glass recycling plant with a diamond in its jaw, and a French inspector works with the team as they each pursue their suspects. Elsewhere, Hodgins has ghost issues, and Booth is diagnosed with an eye condition.moreless