Congrats. You are currently using several filters at the same time. For example a combination of different streaming providers, genres or release years. With one click on the reset button you will see all available content again.
The JustWatch Watchbar automatically saves your individual filter settings for the New-Timeline (where you are right now). It also works individually for the Popular-View and the Search-Results.
This way you can customize JustWatch as you like. For example you can just show content of your favorite streaming providers or genres.