When something happens, or is about to happen, on tv, usually something embarrassing or about a character i'm fond of, i spin. I get up and twirl round the room, usually hitting something, i have trouble sitting still for long periods of time, which doesn't help.
When something good happens on tv, like a bad person getting what they deserve, i will jump up and down and clap, cheering loudly. Others find this particularly annoying and i have to restrain myself, this usually manifests as repetitive comments, during La Reine Margot everytime the old Queen (can't remember her name) came on screen, i'd call her a witch, repeatedly, and go on about how she shouldn't get away with it, this annoyed my parents who kept on telling me to be quiet.