VIDEO: The Horrifying Reason Why Jim Jefferies Cancelled His CONAN Appearance

On last night's Conan, Jim Jefferies goes into explicit detail about the medical issue that prevented him from being on the show. Watch the clip below!

Conan is a late-night talk show airing each Monday through Thursday at 11:00 p.m. eastern time on TBS in the United States. The hour-long show premiered on November 8, 2010, and is hosted by writer, comedian and performer CONAN O'Brien, accompanied by his long-time "sidekick" Andy Richter. Describing itself as a traditional late-night talk show, CONAN draws its comedy from recent news stories, political figures and prominent celebrities, as well as aspects of the show itself.On May 17, 2017, TBS renewed the series through 2022.