Problem solving
I have developed an affection for crime drama - on Sunday nights, the TV channel Five USA shows something like four hours of CSI, back to back. There's obviously something fascinating about the problem-solving process... and there's always the too-good-to-be-true computer interfaces to laugh at. (I also watch The Mentalist, NCIS and Law & Order, for variety.) And also, on CSI:NY and Law & Order, I get to spot the places in New York I visited at DebConf....