Hint: It wasn't Colbert's cancellation or Kimmel's suspension that made the Oscars host determine that TV talk shows were doomed.

Hint: It wasn't Colbert's cancellation or Kimmel's suspension that made the Oscars host determine that TV talk shows were doomed.

"This was a big chance for me to maybe save my show," O'Brien said, before telling Jimmy Kimmel about the hilarious bit that never happened.