When the CSIs are called to a murder scene at a familiar motel, Nick is thrown for a loop as he pieces together three separate murder investigations that all took place at the same establishment over the course of a year.

Jon Stewart is scheduled to appear. Plus, Day 4 of U2 Week!

Steven Johnson talks about Joseph Priestley, the man who first realized that plants actually create the oxygen we breathe.

Episode info coming soon ..

A mystery woman at the office blood drive catches Michael's eye. Dwight and Kevin both find women at the "Lonely Hearts Party," while Jim and Pam are forced to leave because of PDAs—so they have lunch with Phyllis and Bob.