Smithers: (Over P.A.) Attention Homer Simpson. Attention Homer Simpson.
(Homer is still dozing at his post)
Smithers: Wake up, Homer! (Homer awakens)
Smithers: You're fired.
Homer: For what?
Smithers: For sleeping on the job.
Homer: How'd you know I was sleeping?
Smithers: We've been watching you on the surveillance camera.
Homer: Camera? (Spots the camera) D'oh!