Hi-5 is an Australian children's television series, originally produced by Kids Like Us and later Southern Star for the Nine Network, created by Helena Harris and Posie Graeme-Evans. The program is known for its educational content, and for the cast of the program, who became a recognised musical group for children outside of the series, known collectively as Hi-5. It has generated discussion about what is considered appropriate television for children. The series premiered on 12 April 1999 on the Nine Network.