Is Heulwen a lleu coming back?

Heulwen a lleu ended on January 1, 2011. The show aired its only episode on that date on S4C.

Heulwen a lleu was a children's series that first premiered in 2011. It was a short program that followed the daily routines of Soli Sun and Mo Moon, who watched over animals during the day and night respectively. The series depicted their friendship and the way they communicated twice daily at sunrise and sunset, sharing what they had learned throughout the day.

Each episode had a runtime of approximately 7 minutes, making it suitable for young viewers.