TV series are identified by the year of their broadcast run:
When a show is still running the end year will be omitted:
If you know that a TV show is no longer being broadcast, but we don't have a end year listed, you can submit a request to update this via our contact form.
To do so, use the following path:
IMDb Contributor > I need help and haven't submitted an update > Titles > Edit series end year
Make sure to include the title URL, along with the year the series ended - if necessary, please also include a link to some evidence to help a member of the team review and update this for you.