Aired 13 years ago - Jan 08, 2012
Something terrible has happened to Henry Knight; Sherlock and John investigate the truth about the monstrous creature which apparently killed their client's father. A hound from hell? What seems like fantasy in Baker Street is a very different prospect in the ultra-secret army base that looms over Dartmoor.
Mouse over thumbnail for slideshow
Or scroll and see one by one:
#3
#4
#8
#14
#15
#16
#20
#22
#26
#28
#36
#37
#38
#39
#40
#42
#43
#44
#46
#47
#48
#49
#50