Nintama Rantaro also known as Ninja Boy Rantaro by Soubee Amako is a popular manga and because of its popularity, it was adapted into a TV anime. Furthermore, on Wednesday the NHK (publisher of NIntama Rantaro) announced the 30th anniversary of this TV anime. The anime premiere will happen in Spring 2022 to celebrate the 30th anniversary of the Rantaro franchise.

The first broadcast of Nintama Rantaro started in 1993 and in 2023 it will complete its 30 years of service. The fact is this anime is one of the longest-running anime shows of all time. Currently, they are releasing the 29th series of NIntama Rantaro TV anime.
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They released a visual and a logo which tells about the upcoming TV anime and 30th anniversary. In the visual, you get to see Rantao himself along with his two other friends (Krimaru and Shinbei). Furthermore, they are waiting at the gate of Ninja School (with a Cow).


Here is a quick description of the Nintama Rantaro series by NHK:
Rantaro, Kirimaru, and Shinbei are far from being excellent ninjas. As they embark on their training at the ninja school, they are joined by their tongue-in-cheek friends, ninja masters, and idol senior ninja trainees. All the unbelievable mistakes and confusion throughout their training set the base for loads of fun and entertainment.
Nintama Rantaro
After the popularity, the creators decided to adapt the manga into a TV anime and it started airing in 1993 till now. Furthermore, on TV they still release 10 minutes of anime every day (except weekends). Nintama Rantaro also has two anime movies and also 2 live-action movies.
Source: Comic Natalie via Crunchyroll