plays a fictional character within the universe of
30 Rock who discovers the true meaning of Leap Day The cast and writers celebrate the holiday of Leap Day with a
Santa Claus-like mascot, a gilled creature named Leap Day William. Leap Day William lives in the
Mariana Trench and emerges
every four years to trade candy for children's tears. Jack introduces Kabletown's latest development in 3-D Internet access, but the ceremony becomes controversial when three people dressed as the letter K dance and then whip a black man. In a dream sequence induced by Jack eating poisonous
rhubarb leaves, Kenneth (
Jack McBrayer), as the spirit of Leap Day, takes Jack on a journey to see leap days past, present, and future. Twenty years from the present, Jack sees his daughter, Liddy (Devin Dunne Cannon), working for
Habitat for Humanity and realizes that he needs to spend more time with her. Tracy (
Tracy Morgan) finds a $50,000
Benihana gift card that expires on that day, so he takes the TGS staff to the restaurant. On the way home, he meets a man dressed as Leap Day William (
John Cullum), who is implied to be the real Leap Day William. Unable to spend all the money, he ultimately invites people from a
soup kitchen to join him at Benihana. Jenna (
Jane Krakowski) persuades Liz to go to a Leap Day party thrown by Liz's college theater friend "Sad Thad, the
skin tag lad" Warmald (
Steve Little). Now a billionaire, Thad offers Liz $20 million to take his virginity, revealing that he has always had a crush on her. Before she can accept the proposal,
Karolína Kurková and several other "hot bitches" show up. This causes Thad to lose interest in Liz, who leaves in frustration. In the end tag, Leap Day William speaks to the camera, explaining that people should remember the magic of Leap Day all year long. Leap Day William tells the viewers that if they ever see an old man in a blue suit, they should stop and say hello. Suddenly, gills pop from his neck and he opens his mouth to reveal fangs. ==Production and reception==