https://www.youtube.com/watch?v=IoflKpPJhTM
Graham Hancock’s Theory on Time Travel (TT) and Ancient Handbags! https://www.youtube.com/watch?v=6GASghp2Ch4
If someone or something has Time Travel Technology, that could imply that this world is part of an interactive cosmic recording & projection of time & space. Whether this world is part of a created realty or a cosmic simulation, the implications would be astounding, indeed.
The various science fiction stories & movies continue to illustrate the speculative possibilities.
https://en.wikipedia.org/wiki/The_Time_Travelers_(1964_film)#Plot Low budget, but it has some interesting moments.
https://en.wikipedia.org/wiki/The_Time_Machine_(1960_film)#Plot A classic of course.
Time Travel in Science Fiction: Exploring "The Time Machine" by H. G. Wells https://www.youtube.com/watch?v=D9nym7UNh0E
https://en.wikipedia.org/wiki/Time_Machine:_The_Journey_Back
https://en.wikipedia.org/wiki/The_Time_Machine_(2002_film)#Plot Another interesting take on the same story.
https://marvelcinematicuniverse.fandom.com/wiki/Time_Travel
https://time.com/5576656/avengers-endgame-time-travel
Lucy TT sequence. https://www.youtube.com/watch?v=hYHr6caUoLg
https://en.wikipedia.org/wiki/List_of_films_featuring_time_loops