With help from @morganonair, we gave @imajmitchell a big surprise on @radiodisney: he's headed to the main stage at #ArthurAsheKidsDay on Aug. 25 & will make his network 📺 debut when it airs @ABCNetwork! Get ready to watch him rock the house! _ #ajmitchell #radiodisney #morganonair #stadiumshow #popstar