1973/156: Someone at the Top of the Stairs 1973

 Watch movie;

https://youtu.be/Z4edUSqwQI8?si=_MBlUhS2rN7YtkBs

 

https://en.wikipedia.org/wiki/Thriller_(British_TV_series)

https://thebloodypitofhorror.blogspot.com/2009/05/someone-at-top-of-stairs-1973.html 

https://takingtheshortview.wordpress.com/2019/04/30/thriller-1973-1976-four-episodes-season-1/ 

https://www.spookyisles.com/thriller-someone-at-the-top-of-the-stairs/