Frank tells Kramer he hasn't celebrated Festivus in years, yet earlier George received a Festivus greeting card from Frank.
Upon his return to H&H, Kramer is astounded to discover raisin bagels. But in the previous season, he sometimes used raisin bagels in the pizza bagels he served on the J Peterman Reality Bus Tour.
When Kramer walks into H&H after the strike is over, he removes his right glove, the camera pans to a back shot of Kramer which shows him removing the left glove, the camera pans to a back shot of the store owner and shows Kramer removing the left glove again.
When George gets up to leave after biting into the bagel, he takes it with him. Just before he reaches the door he turns and points, and is clearly not holding the bagel.
Kramer's 12 year old business card features the name "Cosmo Kramer", but Kramer had abandoned his first name until "The Switch (1995)", 3 years earlier.
Elaine tells the clerk at OTB to "Put a sawbuck on Captain Nemo in the third at Belmont". Belmont is closed at this time of the year. Racing happens at Aqueduct in the winter.
Jerry (Jerry Seinfeld) says he'll always sit in the back booth from now because Gwen (Karen Fineman) always looks good there, however the subsequent two times they dine there, they sit in a booth that's behind the cash register.
Elaine tells the clerk at OTB to "Put a sawbuck on Captain Nemo in the third at Belmont", but there's a sign on the window saying that no verbal bets are allowed.
Frank claims that tinsel distracts him, and that as such it is not used at the Festivus. But at the dinner, tinsel garland is clearly visible.