Jason Derulo - What If
In Jason's Derulo's vid for power ballad 'What If', Jason turns back time to try and save the girl he loves...well that's what we reckon anyway!
The best thing about time travel in videos, is that you get lots of impressive, and often amusing special effects - look out for the 'champagne and strawberries' in this one to see what we mean.
Check out the video and tell us what you think below: