To wrap up the holiday season, Something Offbeat decided to go all-in on Festivus, a holiday that entered the zeitgeist as a plot device in a 1997 episode of the sitcom “Seinfeld” and has managed to become a lasting tradition.

Allen Salkin, author of “Festivus: The Holiday For The Rest of Us” joined the show to discuss the staying power of Festivus, arguably the most offbeat holiday celebrated during the holiday season. Why have people continued to connect with it?