1 January – The Seven Network introduces a new logo, the first one not to have the 7 inside a circle, which is still in use as of today.
7 January – American sitcom Everybody Loves Raymond airs on Seven Network for the very last time before changing broadcasts to Network Ten which won't happen until 28 November.
10 January – American supernatural fiction, fantasy, action, horror series Buffy the Vampire Slayer airs on Seven Network for the very last time before changing broadcasts to Network Ten which won't happen until 30 November.
17 January – Australia soap opera Something in the Air premieres on ABC. It was the very first Australian television series to be filmed in widescreen.
20 January – American animated series Rugrats airs on ABC for the very last time before changing broadcasts to Network Ten which won't happen until 2 December.
31 January – American police procedural, legal, crime drama television series Law & Order: Special Victims Unit makes it debut on Network Ten.
31 January – Dragon Ball Z premieres on Network Ten as part of Cheez TV. Originally using the censored Ocean dub before switching to the uncut Funimation dub.
1 February – Popstars becomes the first Australian reality talent show, earning massive ratings for the Seven Network, leading to Bardot, the end product of the show. It becomes the first Australian act to debut at the number 1 position with both its debut single and debut album.
8 February – Due to GTV-9's Burgo's Catch Phrase losing its ratings, the Seven Network's smash-hit puzzle show, Wheel Of Fortune changes the new cash values on the Wheel. The changes to top Dollars were from $500 to $750 in Round 1, $1000 to $1500 in Rounds 2 & 3 and $2000 to $2500 in Round 4. The Proton car Wedge is introduced on the wheel. The show's highest-rating 4000th Episode was screened on 13 June, then the Battle Of The Champions special was screened in September, before it followed with the Sydney Olympics.
8 February – Australia's Funniest Home Video Show returns and starts in 2000 with a new look format, a new theme song and a relocation from Sydney to Melbourne. Also on that month, it moved to "Every Saturday Nights" at 6:30 PM.
21 February – Nine Network's Australian game show Sale of the Century returns by rebranding their name to Sale of the New Century and celebrates 20 years on air.
26 February – Nine Network debuts a brand new Saturday morning Warner Bros. themed wrapper program for children called The Cool Room as a replacement of its previous program What's Up Doc? which had been axed on Christmas Eve 1999.
27 February – The first ever reality TV show to debut in Australia, The Mole debuts on the Seven Network. Five more seasons follow.
6 March – Australian sports based talk show The Fat premieres on ABC.
24 April – Australian comedy series Pizza makes its premiere on SBS.
24 April – Jan Moody wins the first season of The Mole, taking home $115,000 in prize money. Alan Mason is revealed as the Mole, and Abby Coleman is the runner-up.
27 May – Network Ten broadcasts the final episode of the Australian satirical panel game show Good News Week.
18 July – Former Hey Hey It's Saturday team member/Red Faces gong master judge Red Symons, became the first celebrity to miss the $500,000 question on the three-hour celebrity special on Who Wants To Be A Millionaire?.
27 August – Australian drama series SeaChange returns for a third season on ABC.
28 August – Then-58-year-old Brisbane resident Trevor Sauer becomes the first person to win $500,000 on Who Wants To Be A Millionaire?.
September – The Sydney Olympics earn record ratings for Channel 7 with the Olympic Opening & Closing Ceremonies, and its continuous coverage.
18 September – Australian breakfast program Sunrise returns to Seven Network after a very long absence since its final episode in 1999.
9 October – Rove McManus's weekly talk show Rove Live makes its debut on Network Ten after it was axed by Nine Network in 1999.
6 November – Australian media analysis television program Media Watch is axed by the ABC as the host of the program Paul Barry had been sacked by the network's managing director Jonathan Shier.
28 November – American sitcom Everybody Loves Raymond switches over to air on Network Ten.
30 November – American supernatural fiction, fantasy, action, horror series Buffy the Vampire Slayer switches over to air on Network Ten.
2 December – American animated series Rugrats switches over to air on Network Ten as part of Cheez TV.
9 December – Final episode of the Australian drama series SeaChange is broadcast on the ABC.
TV stations conduct test transmissions in digital.
1 January – CNNfn
2 December – FOX Classics Shared with Fox Kids
This is a list of programs which made their premiere on an Australian television network that had previously premiered on another Australian television network. The networks involved in the switch of allegiances are predominantly both free-to-air networks or both subscription television networks. Programs that have their free-to-air/subscription television premiere, after previously premiering on the opposite platform (free-to air to subscription/subscription to free-to air) are not included. In some cases, programs may still air on the original television network. This occurs predominantly with programs shared between subscription television networks.
This is a list of programs which made their premiere on Australian subscription television that had previously premiered on Australian free-to-air television. Programs may still air on the original free-to-air television network.
18 September – Sunrise (Seven Network)
