Alan Harper was winning on Two and a Half Men last week, by which, of course, we mean he was admitted to a mental hospital.

Where will things pick up tomorrow night? Inside the same facility, as Alan meets his slightly unstable roommate: Garey Busey! Playing... Gary Busey!

Get your first look at the actor in the official CBS preview below and start to wonder what the network means when it teases how Alan will be "met with a slew of challenges that test his ability to cope" soon after getting released from care...