Conversation so far:
What was the dispute over timeslot about?
Jay Leno Show would be shortened to 30 minutes and begin airing weeknights at 11:35 pm ET, with Conan O'Brien and Jimmy Fallon's shows following it.
When did this take place?
January 2010.
Was Leno ok with the change in time?
Leno immediately accepted the return to 11:35 p.m..
Are there any other interesting aspects about this article?
O'Brien's contract stipulated that the network could move the show back to 12:05 a.m.
without penalty, a.
Did he continue to stay on the show after the dispute?
O'Brien signed a $45 million deal allowing him to leave the network.
Are there any other interesting details about the article?
O'Brien did not seriously respond for several days after the announcement, then drafted a press release explaining.

Question: When was the last show?
Self-contained rewrite: When was O'Brien's last show?