This is a list of Australian television-related events, debuts, finales, and cancellations that are scheduled to occur in 2021, the 66th year of continuous operation of television in Australia.
Criterion for inclusion in the following list is that Australian premiere episodes will air in Australia for the first time on a new channel. This includes when a program is moved from a free-to-air network's primary channel to a digital multi-channel, as well as when a program moves between subscription television channels â provided the preceding criterion is met. Ended television series which change networks for repeat broadcasts are not included in the list.
This is a list of programs which made their premiere on Australian free-to-air television that had previously premiered on Australian subscription television. Programs may still air on the original subscription television network.
This is a list of programs which made their debut on Australian subscription television, having previously premiered on Australian free-to-air television. Programs may still air (first or repeat) on the original free-to-air television network.
Australian produced programs which are returning with a new season after being absent from television from the previous calendar year.
<sup>a</sup> Was originally due to premiere on 4 May 2021, but was delayed by three weeks due to a tight production schedule.