Conan O'Brien will make first 'Tonight Show' appearance in 14 yearsConan O'Brien will make first 'Tonight Show' appearance in 14 years
Conan O'Brien will make first 'Tonight Show' appearance in 14 yearsO'Brien left NBC in 2010 after the network wanted to bump "The Tonight Show" to 12:05 a.m. to make room for Jay Leno.