If one wants to travel through time, the only way to roll is in a speeding DeLorean with a plutonium-powered flux capacitor.
Sounds crazy, right? Well, thing is, we still don't know all that much about how the space-time continuum operates.
So, is time travel possible? It depends on who you ask. From the government to an archaeologist to an extra in a Charlie Chaplin film, time travelers abound in legend, rumor, and documented.