October 9, 1971

Premiering on 9 October 1971, Hey Hey It's Saturday was a Saturday morning children's program in which Somers and Carroll provided "top and tail" segments between cartoon episodes.

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In 1984, the Nine Network moved the show from its morning timeslot to a primetime slot on Saturday nights, and it was briefly renamed Hey Hey It's Saturday Night before reverting to its original name. During this time, Hey Hey also became one of the most important TV venues for both local and international music, film and TV stars.

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Nine Network executives decided toward the end of 1999 to cancel Hey Hey It's Saturday. Somers claimed that he wanted to take the program in a new direction after the departure of Caroll, but the budget to redevelop the show was deemed excessive. The final episode ran for 240 minutes, an hour longer than was scheduled.

April 14, 2010

Following the success of the 2009 reunion specials, the show returned in 2010 after a deal was signed for at least 20 new episodes. The show was set to air on Wednesday nights but retain the title Hey Hey It's Saturday with Daryl Somers returning as host. The show returned on 14 April 2010 with over 1.5 million viewers.