AnywhereSeat is web-based, so you'll first access your AnywhereSeat event in your web browser either on your computer or mobile device. Kind of like going directly to YouTube.com to watch a video without using their app.
Below are tips and help articles from other websites. If you're unsure, a quick Google search for "How to cast a web video using [insert your smart TV device here]". For example: "How to cast a web video to Roku".
Apple TV using Mobile Device
With your device connected to the same Wi-Fi network as your Apple TV, start playing a video and tap the AirPlay icon in the lower right-hand corner of the player. Just like that, your selected video will begin playing on your TV!
Desktop Computer Airplay
If using a desktop computer, the Airplay icon will not appear in the player, you will want to use the native screen sharing of the computer monitor to stream your entire screen via Airplay or Cast and then put the player in full screen mode.
Cast a video to Chromecast (Desktop browser)