The Fantastic Journey (1977)

Time is changed here. Your present is their future. And it's my past.

1 hour 55 minute edited "movie" version comprised of primarily episodes 1 and 2 of TV series of same name available on Tubi. Travelers are stranded in the Bermuda Triangle. On an island, they meet Varian, a man from the future, and Liana, an Atlantean. Together, they journey through different worlds, in hopes of returning home.