The time barrier was the construct that had to be broken to enter temporal displacement and travel along the space-time continuum.
It was first broken by Emmett Brown's dog Einstein in the DeLorean time machine at 1:20:00 am, Saturday October 26, 1985.
Appearances[]
- Back to the Future trilogy (mentioned alongside "temporal displacement")
- Back to the Future novelizations
- Back to the Future: The Story
- Back to the Future: The Animated Series
- Back to the Future: The Game