Complex sentence: He returned to Australia where he briefly hosted the game show "Child's Play" for the Seven Network in 1984.then in 1985 he appeared in the Australian production of "Cats" with Debra Byrne on stage and the Australian cast album.
Split into simpler sentences: He returned to Australia where he briefly hosted the game show "Child's Play" for the Seven Network in 1984. Then in 1985 he appeared in the Australian production of "Cats" with Debra Byrne on stage and the Australian cast album.