In this article from Read Write Web, we can learn to save videos from the Web and replay them later on the TV or iPad.
Step one is to create an account with Boxee in order to use the iPad app to watch video later. Step two is to get a Boxee Box, an Apple TV or a Roku to copy files from broadcast TV. (Could also use an old second computer.)
There are 5 more additional steps, but none too difficult.
