All sci-fi series MUST have a time travel episode.........which usually involves Nazis.
(
JollyJack - a stench from the past,
Wed 10 Oct 2007, 13:59,
archived)
where the good guy discovers his ancestor's evil pastand he's got to correct it without destroying the time continuum that would've prevented his own existence!
(
Heffrey wants to show you his wood at SmileMoon.etsy.com,
Wed 10 Oct 2007, 14:27,
archived)