kolchak-the-night-stalker MR. R.I.N.G.

 https://www.nbc.com/kolchak-the-night-stalker/video/mr-ring/3980768

https://akolchakaday.blogspot.com/2012/01/episode-12-mr-ring.html

https://www.imdb.com/title/tt0621539 Tyrell institute

https://en.wikipedia.org/wiki/Kolchak:_The_Night_Stalker

https://headhuntershorrorhouse.fandom.com/wiki/Kolchak:_The_Night_Stalker:_Mr._R.I.N.G.

https://www.monstercomplex.com/blog/top-7-kolchak-the-night-stalker-episodes

https://www.classichorror.club/post/tv-terror-guide-kolchak-the-night-stalker-mr-r-i-n-g