TV commercials that include doorbells ringing. It gets him every time. Okay it gets me too from time-to-time.
Mine cant handle any sound that even remotely sounds like someone at the door. And my youngest doesnt like black people. Once you approach him and are friendly hes fine, but walking past or just out and about, hes a rude f**ker.
I don't know what a sheba is. I do know (because my cat likes it) Sheba chicken pate is her preferred snack.