As a card sent to him by his father reminded George in the 1997 episode, Festivus comes every Dec. 23. In real life, it was invented by the father of former “Seinfeld” writer Dan O’Keefe in ...

When one thinks about Christmas, they probably don't think about Seinfeld ... Cosmo Kramer convinces Elaine to let him serve as photographer for her Christmas cards. His quality control proves ...