The most interesting

America:
1)Star vs Forces of Evil
2) Over the Garden Wall
3) Voltron : Legendary Defender

american animated television series.
Plot : Princess of the magical dimension of MUNYI Starlet Butterfly at age 14 receives a magic wand from her mother by inheritance. Parents send her to Earth, where she finds a new friend – Marco Diaz . But Ludo and his team of monsters does not stop the princess journey into another dimension . Therefore , the princess and her karate friend , Marco , have to constantly fight monsters