What do you mean we can't go back and kill Hitler? Spoilsports.

Wait. Have we written this article before? We're getting a real sense of déjà vu here... Wait. Have we written this article before? We're getting a real sense of déjà vu here... Wait. Have we written this artic... OK, you get the picture. For years, Hollywood has been obsessed with all forms of time travel, resulting in some of the best films ever made, including Groundhog Day, Back to The Future and, ahmm, Click.

With so many films, worlds and universes creating their own set of conflicting time travel rules to abide by, it can all get a little bit confusing, especially as you try to keep track of what to do and, more importantly, what not to do; body parts will disappear, multiple versions of the same person are created and sometimes... just sometimes... your ma will want to be your girlfriend. *JOE shudders*

Thankfully though, before you get transported/transponded/transmorphinated to a completely different time, the fine folk at MTV have prepared this brilliantly-detailed time travel check list to help you survive, regardless of which movie you're starring in. Check it out below and click on the link to make it EVEN BIGGER...

H/T to MTV.