Longest running animated TV series
Who
Sazae-san
What
53:100 year(s):day(s)
Where
Japan ()
When

The longest-running anime series in Japan is Sazae-san, which is based on the yonkoma manga of the same name by Machiko Hasegawa. The series has been airing since October 1969, with 2684 episodes as of 22 January 2023.