does any one know the name of the very first episode o movie of teen titans tu know the one where they all met and registrarse together as a team for the first time

i really want to see the very first episode wikipedia keeps telling me is that the first episode is divide and concure but thats not the one i mean. i mean the one when starfire first comes to earth and beastboy quits his former team to registrarse the titans etc etc plz if tu know answer me back plz plz plz