Is Os Under-Undergrounds coming back?

Os Under-Undergrounds ended on February 13, 2021, on Nickelodeon. The series concluded after its second season, with the final episode airing on that date.

Os Under-Undergrounds was a children's animated series that premiered in 2016. It told the story of Hector, a boy who was expelled from his band because they thought he was not cool enough. After falling into a hole on his way home, he found himself in an underground world inhabited by strange creatures. The show depicted Hector's adventures in this bizarre place as he sought to find his way back home, learning important lessons about tolerance, diversity, companionship, and self-knowledge along the way. The series emphasized themes of friendship and self-acceptance through Hector's interactions with the Undergrounders and his pursuit of a passion for music.

The episodes had a runtime of approximately 15 minutes each.