Fictional holiday became a phenomenon after being popularized on the 1990s sitcom "Seinfeld." here are the rules of how to ...

Festivus was the brainchild of Seinfeld writer Dan O'Keefe, whose father invented a similar holiday including an Airing of ...

It's that time of year again. Happy Festivus! The anti-holiday holiday made famous on "Seinfeld" is celebrated annually on Dec. 23 by those who want to embrace their inner "Bah Humbug" with a secular ...

Tuesday, Dec. 23, is Festivus 2025! Here's what to know about the 'Seinfeld' holiday and how to stream the Festivus episode.