1973/8: The Day of the Dolphin 1973

 Trailer:

Watch movie:

https://dai.ly/x8kvmy3 

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

https://www.moriareviews.com/sciencefiction/day-of-the-dolphin-1973.htm 

https://eofftvreview.wordpress.com/2020/04/26/the-day-of-the-dolphin-1973/ 

https://scopophiliamovieblog.com/2023/09/16/the-day-of-the-dolphin-1973/