Catch-up TV and TV on Demand concepts are similar in that there are some differences due to different service platforms. catch up TV means that after a program is broadcast, you can play back the content of the program on your TV. On-demand television, but, is a broader term. It includes not only Catch up but the ability to watch any TV show and TV at any time, without having to wait for live broadcasts. You can watch your favorite programs whenever you want. It’s worth noting that Catch up TV is a subset of on-demand television. But not all on-demand content is considered to be Catch up TV.