Aired 11 years ago - Oct 21, 2013
A grisly murder investigation leads Castle and Beckett to a suspect who claims he's traveled back in time to stop terrible events from unfolding, events that will change the course of human history. Is he simply a deluded killer, or is it possible that he's telling the truth?
Mouse over thumbnail for slideshow
Or scroll and see one by one:
#2
#7
#14
#27
#34
#38
#40
#41
#44
#46
