From AstroNerdBoy:

Exciting Radio Show
The student cast are doing a radio show answering fan mail on the air (something that seems a popular thing to do in Japanese radio) while in the staff room, Fye (the one we were introduced to as Fay initially in Tsubasa), Kurogane, and Yuuko have the radio show playing over the loud speaker as Yuui does his normal teasing of Kurogane, including having a song that he secretly recorded of Kurogane singing in the bath played on the radio.

Exciting Christmas Cake
Fay is teaching a Home Economics class on how to make a Christmas cake (Japanese style of course). Sakura gives Syaoran the Christmas cake she made, Himawari-chan decides a good career for Watanuki is a housewife, while Yuuko and Yuui drag a reluctant Kurogane to launch a sneak attack on score their own Christmas cake.

Exciting New Year's Celebration
The entire cast is gathered at a giant kotatsu and dressed in kimonos for the New Year's celebration. Sakura and Syaoran make eyes at each other, Watanuki gets annoyed for doing all the work, and Fye decides to wear one of Yuuko's kimonos rather than a male one leading to the usual antics.

Exciting Birthday Party
The story has everyone gathered on April 1 for Watanuki's, Sakura's, Syaoran's, and Syaoron's birthday. Watanuki isn't happy at having to make food for everyone even if Syaoran and Syaoron are helping. Yuuko has a present for the boys (mainly Syaoran and Watanuki) -- Sakura and Himawari in wedding dresses. Syaoron reveals that he has someone he's dating, which is a big bomb shell.