PA: Viewer discretion is advised.

BOOTH AND THE JEFFERSONIAN TEAM RACE TO SAVE BRENNAN AND HODGINS, WHO ARE BURIED ALIVE WITH LESS THAN ONE DAY'S SUPPLY OF AIR ON "BONES" WEDNESDAY, NOVEMBER 15 ON FOX

When the bodies of twin teenage boys kidnapped five years earlier are discovered in Pennsylvania, Booth and Brennan find themselves on the trail of the Grave Digger, a notorious serial killer whose M.O. is to kidnap, bury his victims alive and make a single, exorbitant ransom request. If the money is not paid in the specified period of time, there is no further communication and the victims are left to die. During the investigation, Brennan and her scientist colleague Dr. Hodgins become the Grave Digger's latest victims, forced to try to solve their own kidnapping from an underground grave in the "Aliens in a Spaceship" episode of BONES airing Wednesday, Nov. 15 (8:00-9:00 PM ET/PT on FOX. (BON-209) (TV-14 L, V)

Cast: Emily Deschanel as Dr. Temperance Brennan; David Boreanaz as FBI Special Agent Seeley Booth; TJ Thyne as Dr. Jack Hodgins; Michaela Conlin as Angela Montenegro; Eric Millegan as Zack Addy

Guest Cast: Tamara Taylor as Dr. Camille "Cam" Saroyan; Salli Richardson as Assistant U.S. Attorney Kim Kurland; Charles Mesure as Pete Sanders; Benito Martinez as Thomas Vega; Julie Ann Emery as Janine O'Connell; James McDonnell as James Kent; Rich McDonald as Pennsylvania State Trooper