Time traveling is a totally fake thing, Some people releasing many fake videos about this matter. It's not a real world scenario. people doing many YouTube trending  & marketing things for earn money, All of traveling scene videos like that, what you have been watched.

People may can go to the future & past by mind. Who want to do that , he should be a spiritual person.

What does it mean to be a spiritual person ? 

just you can take small idea about it, by this explain

Spirituality involves the recognition of the feeling or sense or belief that there is something greater than myself, something more to being human than sensory experience, and that the greater whole of which we are part is cosmic or divine in nature.