There are many ways add or remove events from your WATCH LIST
Navigate to Watch List
Click here to go directly to your watch list (this page will open in a separate window)
If you are not signed in, continue to the following steps. Or skip ahead
Sign In
If you are not logged in, click "Log in" on the top right corner of the screen and enter your credentials.
Once you are signed in, your interface will update to show a "user profile" icon. Click this and select "Watch List"
Adding and removing an event from an Event Page
Upcoming Event
Upcoming events can be added from the video player. Just click "WATCH LATER"
Once an event is added, the button will update to say "ADDED"
To remove the event, click the "ADDED" button and the event will be removed from your Watch List.
Live and On-Demand Events
These events can be added or removed from your watch list on the event page as well.
Scroll under the video and video details, and you will see another "Watch Later" or "Added" icon.
Clicking on this will allow you to toggle whether or not the event will be on your Watch List.
Removing an event from Watch List Page
Once you are on your watch list, you will see events listed below "Watch Later"
These events will have a blue circle checkmark on them, or if you hover over the icon, it will show the icon & the word "Added"
Click on this icon to remove from your "Watch Later" section. Initially, the event will remain, but as long as the blue checkmark is gone, the event has been removed.
Once you refresh, the event will no longer appear on your Watch List. 
If you mistakenly remove an item, you can add it back to your watch list by hovering over the event box and clicking "Watch Later." The clock icon and text will appear when you hover.