2001: A Space Odyssey, HAL said ‘Good Morning, Dave’

Mandela Effect:

Previously: HAL said “Good morning, Dave”

New timeline: HAL didn’t ever say that?

HAL, the computer in 2001: A Space odyssey, always said “Good morning, Dave”. 

Or did it?

As usual, we’re just cataloging effects as people find them, and we’ll leave you to search for the detailed truth…