What was the title of Conan O’Brien’s NBC late-night program before The Tonight Show?

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Conan O’Brien’s NBC late-night program before The Tonight Show was titled Late Night with Conan O’Brien.

The series premiered in 1993, when O’Brien replaced David Letterman as host of NBC’s Late Night. Its title followed the established naming pattern of the franchise, which had previously included Late Night with David Letterman. The show aired after The Tonight Show and became an important platform for O’Brien’s distinctive comedy.

The program ran for more than 15 years and ended in February 2009. O’Brien then took over The Tonight Show, while Jimmy Fallon inherited the Late Night time slot. In 2010, O’Brien began hosting Conan on TBS, a separate program with a shorter title.

The main distinction is between the NBC series and the later TBS show. “Conan” refers to the TBS program, while “Late Night with Conan O’Brien” identifies his earlier NBC tenure.

Source: Wikipedia · fact-checked Sept. 2026

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