1. "Nelson's Sparrow" - Criminal Minds S10 E13
The BAU revisits its origins when they look at one of Rossi and Gideon's old cases to track a killer that got away, on CRIMINAL MINDS, Wednesday, Jan. 28 (9:00-10:00 PM, ET/PT) on the CBS Television Network. Series star Kirsten Vangsness co-wrote the episode with Erica Messer, one of the series' executive producers. Ben Savage ("Girl Meets World," "Boy Meets World") guest stars as young Gideon, and Arye Gross ("Castle," "Ellen") guest stars as Donnie Mallick. Photo: Robert Voets/ABC Studios ©American Broadcasting Companies, Inc. All rights reserved.