"First adjournment" (episode 9.5) is a recap of the first nine episodes of Last Exile: Ginyoku no Fam. "Second adjournment" (episode 15.5) is a recap of the first Last Exile series.

Di Gi Charat (call her Dejiko for short) and Petit Charat (the cute little charat) come down to Earth, where they want to be idols, or something like that. Rabi~en~Rose (a random girl with bunny ears) decides they're in her way of becoming an idol herself. They all end up working at Gamers, where various otaku, children, and humanoid fingers walk in and act like morons. Contains: Gema no Sumika Tsusode shiu Engekidan (ii ne!) (Source: AniDB)

A two-episode special. They are designated as Episodes 13 and 14, and the first episode is a direct sequel to the previous series while the second episode is about the trans-sex of Natsuru.

Extra short anime "Ura-On!!" included in the limited edition of the K-ON!! Blu-ray.