S1·E13 Little Sister!

Leina is taken to Glemy Toto and held captive aboard the Endra. The now enraged Judau is confined to the Argama's mess hall, but escapes with Elle's help. The two of them launch in the Double Zeta and Gundam Mk-II to rescue Leina. But Gottn plans to use Leina as a hostage in order to defeat the Double Zeta.