Anything with extra scenes in them, like in the Pixar movies. The downside is that they usually turn them off at the movies anyway, since most people leave the moment the first name appears.
I'll also mention my least favorite: any TV series with gang credits, having the exact same names in every episode, making it impossible to know who worked on which one. The first seasons of FIM suffered from this too, and making things worse, the guest voices weren't given any credit.