Editor's note: This is a story about the deaths of TV characters on TV shows already broadcast. If such information is a spoiler to you, consider this fair warning.
BEVERLY HILLS, Calif. - Times have never been more dangerous for characters on scripted prime-time series. Earlier in television's history, series regulars rarely got killed off. It's why the death of Henry Blake (McLean Stevenson) on "M(ASTERISK)A(ASTERISK)S(ASTERISK)H" had such an impact.