Complex sentence: In 2004, Tobin joined the Seven Network, and began hosting children's game show "Go Go Stop" until 2008, which had school students competing across a floor of plasma screens and answering multiple choice questions.
Split into simpler sentences: In 2004, Tobin joined the Seven Network, and began hosting children's game show "Go Go Stop". The show, currently considered to be on hiatus with no new episodes since 2008, has schools competing across a floor of plasma screens and multiple choice questions.