O'Brien hosted the show from 1993-2009, a critically acclaimed and culturally impactful run filled with weird, original humor still praised to this day. But he took over the show from its creator, David Letterman,

Conan O'Brien returns to 'Late Night,' 16 years after exiting the program for his short-lived stint as host of NBC's 'The Tonight Show.' The comedian talks to current host Seth Meyers about his time as the face of 'Late Night' after David Letterman's tenure.

Conan O'Brien was full of praise and laughs on his return to Late Night. O'Brien used to host the show, which is now hosted by Seth Meyers, for 16 years and he returned last night for the first time since leaving.