time traveler's dilemma theme

The following dilemma is illustrated: What should we do if some people find a way to affect the past? They could stop Hitler, yes, but what untold damage might they also do?

23 total · 6 choice · 11 major · 6 minor

StoryLevelMotivation
ds95x22 choice If Defiant crew did not preserve their descendants
movie: Looper (2012) choice strange things happen it seems
tos1x21 choice Kirk and Spock must be cautious of not letter Christopher change the future
tos1x28 choice Kirk :: let Edith die or not
tz2002e1x05 choice The story concerned going back in time to kill Hitler.
voy7x11 choice Chakotay argued with various people about changing the past
movie: PeutEtre (1999) major Ako traveled back in time to convince his father to impregnate his mother. If Ako failed, he and his descendants would cease to exist.
movie: The Final Countdown (1980) major It was in the hands of Captain Matthew Yelland to decide whether or not to prevent the Japanese from destroying the US fleet stationed at Pearl Harbor, dramatically changing the course of history in the process.
tas1x02 major Spock about changing the past
tng3x15 major Enterprise-C crew goes back in the past to fight Klingons for the good of future generations