at this charismatic newcomer and how he got here. >> this is my first time in new york. and i'm loving it. >> reporter: this is trevor noah. and today he has officially arrived. >> i just flew in, and boy are my arms tired. >> reporter: comedy central announced that after only three appearances on "the daily show," the comedian from south africa will replace jon stewart who has hosted the program for 16 years. >> in my heart, i know it is time for someone else to have that opportunity. >> reporter: stewart announced his departure last months, when noah had logged fewer than 12 minutes on-screen with his future predecessor. they lived a dream, noknonoah td after his first appearance. more like a fan than a protége. but the dream of hosting is one that many fans had hoped would be fulfilled by a woman.