The phrase "why is the block not on" most likely refers to why the TV show "The Block" might not be airing or available to watch currently. Several reasons could explain this. First, the show may have ended its current season or has not started a new season yet, as renovation and reality TV shows generally air in specific seasons with breaks in between. For example, The Block 2024 had ended with auctions in November 2024, and The Block 2025 started in July 2025, so it might be off-air during the gap or off weeks in the schedule.
Another reason could be scheduling or broadcasting changes on the channel or streaming platform airing the show, such as a delayed start or new rules affecting production and airing schedules. Viewer complaints, controversies, or production issues (e.g., teams quitting, high drama) have also affected previous seasons, but these typically do not stop the show completely, rather impact when or how episodes air.
If you are referring to something other than the TV show (like a technical "block" not being "on"), please specify. In summary, if asking why "The Block" TV show is not currently on, it is likely due to the natural break between seasons or scheduling decisions by the network.