The phone booth shaped time machine

The TARDIS phone box.  

https://tardis.fandom.com/wiki/The_Matrix , https://www.imdb.com/title/tt0811881

https://blog.lovarzi.co.uk/are-doctor-who-and-the-matrix-related

The Doctor Enters the Matrix | The Deadly Assassin | Doctor Who https://www.youtube.com/watch?v=cfzigMhTPhI , https://en.wikipedia.org/wiki/The_Deadly_Assassin#Plot

https://en.wikipedia.org/wiki/TARDIS#Exterior_design

https://en.wikipedia.org/wiki/TARDIS#Interior_design

https://en.wikipedia.org/wiki/TARDIS#BBC_trademark

https://upload.wikimedia.org/wikipedia/en/b/bc/Bill_%26_Ted.jpg 

"One of the citizens, Rufus, is tasked by the leaders to travel back to San Dimas, California in 1988 using a phone booth-shaped time machine..." https://en.wikipedia.org/wiki/Bill_and_Ted's_Excellent_Adventure#Plot

https://www.imdb.com/title/tt0096928/mediaviewer/rm697747713 The Phone Booth

https://www.imdb.com/title/tt0096928/mediaviewer/rm3314927873 - George_Carlin

https://tardis.fandom.com/wiki/The_Matrix_Revisited_(documentary)

The toilet_portal. https://en.wikipedia.org/wiki/TARDIS#/media/File:Portable_toilet_at_Great_Denham,_Bedfordshire,_England.jpg

https://www.imdb.com/title/tt0096928/mediaviewer/rm3935684865

"The Matrix" Changed My Life - Keanu+Reeves Shares Fond Memories Of His Most Iconic Films https://www.youtube.com/watch?v=k4Bl4TXEm1w

https://matrix.fandom.com/wiki/Phones

https://thedigitallabyrinth.blogspot.com/search?q=phone+booth