He spent 16 years of his career hosting “Late Night” and last night (October 5) Conan O’Brien paid a visit to the set once again.

As current host Jimmy Fallon was addressing the audience, Conan randomly appeared on the set, causing the crowd to roar in a standing ovation.

O’Brien simply explained, “I was back in New York, and decided I wanted to check out my old studio. I left something here, something important to me... Can I get it back?”

Fallon said “Of course!” as Conan retrieved Triumph the Insult Comic Dog from behind a cushion in the couch.






Photo Credit: NBC