As you may or may not be aware, TCO starts in a few days.
Last year, there was a twitch livestream available throughout the most of the event. They interviewed some of the finalists, did the live commentary for some of the categories (at least for Algorithms and Marathons), conducted Q&A sessions with admins, etc. Overall, I think they did a surprisingly good job of covering the event.
This year, there are going to do the livestream again, so I thought I'll share it in case no one else does.
Link (with schedule): https://www.twitch.tv/topcoder_official