The title of the series and its debut year. The "2021" tag distinguishes the American CBS adaptation from the original 2019 BBC UK counterpart.
For viewers watching the release, the visual experience remains sharp and consistent with previous seasons. Ghosts 2021 S04E01 720p HDTV X264-SYNCOPY BEST
You can catch new episodes of Ghosts on CBS or stream them the following day on Paramount+ . The title of the series and its debut year