- Who
- Sazae-san
- What
- 53:58 year(s):day(s)
- Where
- Not Applicable ()
- When
The longest-running anime TV series is Fuji TV's Sazae-san (Japan), which was first broadcast on 5 October 1969 and has run for 53 years 58 days, as of 2 December 2022.
Produced by the studio Eiken, the animation features Sazae and her family focusing on day-to-day life in the suburbs. The show has been broadcast every Sunday from 6:30 to 7:00 p.m since it began.