Instead, use YouTube's filter feature. First, type in a search such as “3D” or “vr180”. In the search results, click on “filters,” and under features, select “VR180” or “3D”. For 3D 360 content, it is better to search for “3D 360” to distinguish them from regular 360 videos.

Sign in to your Google Account. Go to myactivity.google.com. Click YouTube History. Click Manage history to see the videos you've watched.