When will toM sellecks new show blue bloods premier?

The show you're referring to is called "Blue Bloods", and it's not a new show. It's been running for quite some time now.

The premiere date for the new season of Blue Bloods is usually in the fall each year, typically in September or October.

To find the exact date for the upcoming season, you can check these resources:

* CBS website: The official website for CBS usually announces premiere dates for their shows.

* TV Guide: Websites like TV Guide and other online listings for TV shows will post the premiere dates.

* Social Media: The official social media accounts for "Blue Bloods" often announce premiere dates.

Let me know if you'd like me to help you find the exact premiere date for the upcoming season!