Y? is an educational children's science program shown on the Nine Network in Australia. It was produced by Southern Star Endemol between 1999 and 2002. Each episode runs for 30 minutes. A total of five seasons were recorded. Each season is 65 episodes long. Season 1 was hosted by Joanne Nova and seasons 2 to 5 were hosted by Tara Colegrave and 'science host' David Lampard. The show features in-studio science experiments. In season 1 these were presented by Joanne Nova but in later seasons these… (More on Y)