After nearly three decades, Conan O’Brien’s tenure as the longest host in late-night history has come to a close. The final episode of Conan aired Thursday on TBS, serving as a fitting tribute to the comedian’s 28 years on the air. The episode opened with a Simpsons sketch in which an overly-excited Homer Simpson conducted O’Brien’s exit interview. While discussing the moments that stood out to them most throughout Conan history, Homer recalled a fairly vague interaction: “There was a time you had this actor on, and he was promoting a movie. And you asked him if there was any wacky stuff that happened on the set, so he told this mildly interesting anecdote,” he said with a laugh. When it came time for O’Brien’s last monologue, he reflected on the show’s 4,000-hour history, admittedly hesit...