premise: The Colbert Report has not been broadcast.
hypothesis: The Colbert Report , which premiered in American cable television on October 17 , 2005 , has had a massive cultural impact since its inception , when the show introduced the word `` truthiness '' . Final episode of The Colbert Report . The final episode of The Colbert Report originally aired in the United States on December 18 , 2014 on Comedy Central . The Colbert Report ( [ koʊlˈbɛr_rəˈpɔr ] ) is an American late-night talk and news satire television program hosted by Stephen Colbert that aired four days a week on Comedy Central from October 17 , 2005 to December 18 , 2014 for 1,447 episodes . The show was taped and broadcast Monday through Thursday , with weeks taken off at multiple points in a given year for breaks . The Colbert Report saw immediate critical and ratings successes , leading to various awards , including two prestigious Peabody Awards .