Aired 9 years ago - Sep 22, 2014
Just as the walls start to close in on those trapped in Chester's Mill, a possible exit from the dome is revealed.
Mouse over thumbnail for slideshow
Or scroll and see one by one:
#4
#5
#12
#16
#18
#21
#25
#26
#27
#29
#30
#32
#33
#36
#38
#40
#42
#44
#45
#46
#47
#49
