Osomatsu-kun

おそ松くん(1966年版)

A wacky comedy about identical sextuplets causing wild pranks. Each episode features 2 stories.

Note: The original 1966 broadcast of Osomatsu-kun ran over 60 time slots. Four of these were entirely rerun content, while eight others featured one new half-episode and one rerun.

(Source: AniList.co)