S11·E44 Losing Its Lustrous!

Commander Mars and Cyrus (not known yet by Ash and co. that he is a part of Team Galactic) debuted in the anime along with Commander Saturn and the other Galactic grunts . In this episode, they steal the Lustrous Orb and the Adamant Orb from the Celestic Town museum for the power to awake Dialga and Palkia in their future plans.