Moreno's biggest break came on television in the late 1970s when he became host of the Sunday noontime variety show, "GMA Supershow" (first known as Germside and Germspesyal). He eventually became the host, starbuilder, and producer of "That's Entertainment", a youth-oriented variety show developing the biggest stars in the Philippine entertainment industry. He was also known by giving gift packs from the show's sponsors to every guests of his programs. Aside from his hosting stints in two GMA shows, Moreno also hosted "Superstar", a Sunday musical-variety show of Nora Aunor, co-hosted with Jograd dela Torre. He was also the host of a late-night show entitled "Walang Tulugan with the Master Showman". He is also the close friends of Aunor.