But We've Only Got 53 Tunnels Legacy of the Silver Shadow : Season 1 Episode 8
TV-Y7-FV Network Ten 25m
Aired: December 27th, 2002 @ 12:00 AM EST on Network Ten
Gretel responds to an intruder alert, deep in the Lair's tunnel network. She not only discovers the culprit (a rat), but also the previously unknown Tunnel 54 and its disturbing secret - a live nuclear missile.
