You can remove shows from your Continue Watching list from the My List section, you can find this:

  • On web - Choose My List from the top navigation bar, then the Continue Watching tab
  • On iOS app - Choose My List on the bottom navigation bar - you may need to choose more first, then the Continue Watching tab - swipe to delete
  • On Android app - Choose My List on the bottom navigation bar, then the Continue Watching tab

You can also access you My List items in the other tab and delete these also.