Criminal Minds: ""J.J." -- While Hotchner (Thomas Gibson) helps JJ try to reunite a family whose daughter has mysteriously disappeared, he and the BAU team brace for the loss of one of their own, on CRIMINAL MINDS, Wednesday, Sept. 29 (9:00-10:00 PM, ET/PT) on the CBS Television Network. Photo: Adam Rose/ABC Studios ©2010 ABC Studios. All Rights Reserved.