The Art of the Bonehead! How to Raise a Screw Tree!
Heybot buys a mysterious screw seed off a mysterious woman. But although he and Nejiru put a lot of love into raising it, it ends up growing into one flat tree! Enlisting the help of the ninja Naganagamaru and his Stretchy-Stretchy screw, they manage to get the screw to grow... and grow... and it won't stop growing until it reaches the moon! Source: crunchyroll
Aired 09/10/2016EP 4 - The Art of the Bonehead! How to Raise a Screw Tree!
2016
Heybot!
The anime takes place on the screw-shaped island country of Screw Island and follows the "Vocabot" Heybot and his partner, Prince Nejiru as they collect different "Vocab Screws". When the Vocabots wear the Vocab Screws on their heads, they're able to compete in "Vocab Battles," battles for who can think up and tell the best jokes.
(Source: Anime News Network)