The_City_on_the_Edge_of_Forever

 https://en.wikipedia.org/wiki/The_City_on_the_Edge_of_Forever

https://www.imdb.com/title/tt0708455/

https://www.youtube.com/watch?v=9463hBWy0ig 1

https://www.youtube.com/watch?v=7uKWpWkcpdM 2

https://www.youtube.com/watch?v=E1P7Q0TU4NE 3

https://www.youtube.com/watch?v=TKwgT8dfIx8 4

https://memory-alpha.fandom.com/wiki/The_City_on_the_Edge_of_Forever_(episode)

https://www.youtube.com/watch?v=PSPQe_XxZxE 5

https://www.youtube.com/watch?v=jlG3RV-oPvI star gate 

https://www.youtube.com/watch?v=Lwx5uB0pyhQ e ship 9-11