This is officially still in the "rumor" category, but it comes from a source with some connections in late night. Bill Simmons, aka The Sports Guy, says that sources have told him that next week is Conan O'Brien's last week on The Tonight Show.

I'm not sure what sources Simmons has at The Tonight Show, but he does know people over at Jimmy Kimmel Live, and I'm sure this type of news is going through all of the late night talk show staffs like a lightning bolt. Simmons says that Conan is trying to line up some big guest stars for the final week.

Oh, in case all of this is foreign to you, The Jay Leno Show has been canceled and NBC wants him back at 11:35. Didja hear?

Update: NBC says that no one has said anything about the show shutting down next week. They're not selling tickets for the following week, but I'm not sure if that's because it's his last week or if it was going to be a repeat week anyway.

Update #2: The Tonight Show blog is asking viewers to vote for their favorite moments on the show.