publication date: Sunday, August 2, 2009 (part of Round XL)
clue: His return tipped the scale in late-night television.
explanation: Richter returned as Conan O'Brien's sidekick in 2009 after a nine-year absence. The word "scale" was a play on his name ("Richter scale"). more…
solved by: Russ Wilhelm, Steve West, LaVonne Lemler, Samir Mehta, Chris Lemler, Justin Woods, Richard Slominsky, Joanna Woods, Denise Sawicki, Mike Rothstein, Amy Austin, Aaron Shurtleff, Ryan Dunn, Sarah Kyle, Walter Chesser, and Elaine Beckland