Bones - Season 2 - Eps 9: Aliens in a Spaceship
The bodies of twin boys, kidnapped five years earlier, are discovered. The investigation lead Booth and Brennan to a notorious kidnapper known as the Grave Digger. During the investigation, Brennan and Hodgins become the Grave Digger's next victims.
About Bones

Title: Bones
First Air Date: 2005-09-13
Last Air Date: 2017-03-28
Status: Ended
Rating: 8.224/10 (from 3244 votes)
Language: EN
Seasons: 13
Total Episodes: 246
Network: FOX
Genres: Crime, Drama
Production Companies: 20th Century Fox Television, Far Field Productions, Josephson Entertainment
Synopsis
Dr. Temperance Brennan and her colleagues at the Jeffersonian's Medico-Legal Lab assist Special Agent Seeley Booth with murder investigations when the remains are so badly decomposed, burned or destroyed that the standard identification methods are useless.
Cast

Emily Deschanel
Temperance 'Bones' Brennan

David Boreanaz
Seeley Booth

John Boyd
James Aubrey

Michaela Conlin
Angela Montenegro

Tamara Taylor
Camille Saroyan

T.J. Thyne
Jack Hodgins