- Who
- Sazae-san
- What
- 50:1 year(s):day(s)
- Where
- Japan (Minato)
- When
The longest running animated TV series is Sazae-san (Japan), which was first broadcast on 5 October 1969 and has run for 50 years and 1 day, as of 6 October 2019.
The animation features Sazae and her family in day to day living and has been broadcast every Sunday from 6:30 to 7:00 pm.