Last night's Criminal Minds saw the team bid farewell to one of their own, and fans say goodbye to a perennial favorite. Follow this link for our review of A.J. Cook's final episode.

Next week, the remaining cast members attempt to solve a case that has haunted one member of the team for a quarter century. Suffice it to say, it's not going to be easy.

Here's CBS' first promo of "Remembrance of Things Past" ...

[video url="http://www.tvfanatic.com/videos/compromising-positions-promo/" title="Remembrance of Things Past Promo"] [/video]

Steve Marsi is the Managing Editor of TV Fanatic. Follow him on Google+ or email him here.