Air-time legends: The longest-running TV series ever
The 15th season of 'Grey's Anatomy' has just been confirmed
CELEBRITY Series
Fans were hoping 'Grey's Anatomy' would score another season, and its 15th has finally been officially confirmed by ABC, Cosmopolitan reports. The news has sealed the show's reputation as the longest-running drama on prime time TV ever, but it's certainly not the only record-holding series out there. There are many shows that are still remembered today for their longevity and popularity. Check out which are the world's longest-running series by clicking through this gallery!