Here's how to watch the Underground Showdown broadcast on FloWrestling. The Underground Showdown broadcast starts on Dec 19, 2021 and runs until Dec 20, 2021. Stream or cast from your desktop, mobile or TV. Now available on Roku, Fire TV, Chromecast and Apple TV. Don’t forget to download the FloSports app on iOS or Android! If you can’t watch live, catch up with the replays! Video footage from the event will be archived and stored in a video library for FloWrestling subscribers to watch for the duration of their subscription.