Rima vs. Nagihiko! Are The Two Rivals?
The Guardians and the Guardian Characters clean up the library in the Royal Garden. Rima gets jealous of Nagihiko because of all the time being spent with Amu, so Amu and Nagihiko take Rima to the mall. After many attempts by Amu to get Rima to laugh, Rima declares her rivalry to Nagihiko. In their clumsiness, the Easter employees drop some of their X Eggs while on the pursuit for more. However, Rima gets attacked by the X Eggs and its up to Amu and Nagihiko to help her... Source: crunchyroll
Aired 13/12/2008EP 11 - Rima vs. Nagihiko! Are The Two Rivals?

Shugo Chara!! Doki
With things having quieted down a bit for the Guardians, they can now focus on things besides fending off the peril of the evil Easter Corporation. Amu is having some troubles deciding which guy she likes the most, and hiding Ikuto in her room. Not only does the Embryo still elude the Guardians, and worries of Easter being suspiciously inactive, the threat of a new X Egg appears...