Open up a Google Chrome browser from your laptop or computer and go to access.bodyfx.com. Select any of your purchased or subscription videos from the WORKOUTS section. Upon clicking a video to play, you will be prompted to log in. Use your username and password to log in, or subscribe if you would like to access all content. Once the video is playing, click the TV icon on the bottom right of the video and select your Chromecast device to start casting.
To discontinue casting from your computer to the television, click the TV icon again. The video will then return to your computer.