Long before the Fringe_TV_series, Black_Mirror, Lost, The_X-Files, Kolchak:_The_Night_Stalker and The_Outer_Limits, there was The_Twilight_Zone.
It all started with a TV pilot episode called, The_Time_Element in_1958.
https://www.tcm.com/tcmdb/title/479596/the-time-element#overview
Of course time-travel is a key component in several Sci-Fi stories.
https://twilightzone.fandom.com/wiki/The_Time_Element , https://www.dailymotion.com/video/x8i4844
https://twilightzonevortex.blogspot.com/2012/10/the-time-element-westinghouse-desilu.html
https://thedigitallabyrinth.blogspot.com/search?q=Time+Travel
