Catch up TV on Oh Sit!. Watch the latest and all other episodes of Oh Sit! now online, broadcasted on Channel 9. Catch up on your favorite Channel 9 TV show: Oh Sit!. Replay tv on its best! A fun, high-stakes, high-octane musical chairs competition, in which 12 thrill-seeking daredevils race head-to-head through five physically demanding, chair-splitting obstacle course-style eliminations as they each compete to claim a chair - all to the sounds of a live band.