It is called the Up series. Here is the description from Wikipedia:
“The Up series of documentary films follows the lives of ten males and four females in England beginning in 1964, when they were seven years old. The first film was titled Seven Up!, with later films adjusting the number in the title to match the age of the subjects at the time of filming.”
It is playing on Amazon Prime. There are 9 episodes in 16 parts.
Or are you projecting?