Mephiles has return , He will take a Crystal Heart from Crystal Empire . Also Flurry HeartMain theme : youtu.be/4cArm6b35U8Main Cast :Roger Craig Smith as Sonic the hedgehogAshilegh Ball as Rainbow Dash and ApplejackColleen O’Shaughnessey as Miles “Tails” ProwerTara Strong as Princess Twilight Sparkle Travis Willingham as Knuckles the echidnaCindy Robinson as Amy RoseMichelle Ruff as Cream the rabbitAndrea Libman as Fluttershy and Pinkie pieKaren Strassman as Rouge the bat and Fiona the foxTabitha St Germain as Rarity and Princess LunaKirk Thornton as Shadow the hedgehog and OrbotRebacca Shoichet as Sunset ShimmerQuinton Flynn as Silver the hedgehogAndrew Francis as Shining ArmorLaura Bailey as Blaze the catEnding theme : youtu.be/RyjZx0idu8ESonic the Hedgehog belong to SEGAMy Little Pony belong to Hasbro