When Jon Stewart went on CNN in 2004 to chastise "Crossfire," plenty of sites offered the video footage, but not CNN. Cut to December 2005, when CNN launched Pipeline, an on-demand subscription video service with multiple live streams and archival access.

MTV Networks acquired iFilm.com last fall. Last month, it launched "Web Junk 20" on VH1, showcasing 20 outrageous online clips each week.

ADS TO WATCH: Jessica Simpson peddles Pizza Hut pizza in this Super Bowl ad, while Fabio, right, makes an appearance too. You don't have to wait for the Super Bowl, though, to get your fill: Many TV clips are now appearing online almost as fast as they air, or even beforehand. AP file photo