Identical twins are found murdered on the same night. The CSI’s investigate the two separate murders only to find a twist in the investigation find that leads them in another new direction.

George's father has a serious heart problem that requires surgery and George chooses Burke to do the procedure. Burke doubts himself because he knows the pressure this kind of surgery will put on him, but Cristina believes the team can handle it. Derek works with Meredith on being a couple again and tries work with Addison on more civil terms. A patient has had mutiple plastic surgeries so that his girlfriend will like him more. A mom wants her daughter's babysitter fired, after she is brought in with multiple injuries, but the girl likes the babysitter more than her mother.

Episode info coming soon ..

Dean calls a demon to make a deal to save a man named Evan Hudson, in exchange for himself. While making the deal, the demon confronts Dean’s worst nightmare about their dad.

Tonight Stephen welcomes Richard Linklater, director of "Fast Food Nation".

Old friends Jim and Pam are back together after months apart as the Scranton branch and Stamford branch are finally merged. Michael, Dwight and the other employees are faced with a variety of changes.